Solutions by everydaycalculation.com

23 - 68 is -112.

- Find the least common denominator or LCM of the two denominators:

LCM of 3 and 8 is**24**

Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,

23 = 2 × 83 × 8 = 1624 - Likewise, for the 2nd fraction, since 8 × 3 = 24,

68 = 6 × 38 × 3 = 1824 - Subtract the two like fractions:

1624 - 1824 = 16 - 1824 = -224 - After reducing the fraction, the answer is -112

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:

Android and iPhone/ iPad

Related: ^{4}/_{3}-^{6}/_{8} ^{2}/_{3}-^{12}/_{8} ^{2}/_{6}-^{6}/_{8} ^{2}/_{3}-^{6}/_{16} ^{6}/_{3}-^{6}/_{8} ^{2}/_{3}-^{18}/_{8} ^{2}/_{9}-^{6}/_{8} ^{2}/_{3}-^{6}/_{24} ^{10}/_{3}-^{6}/_{8} ^{2}/_{3}-^{30}/_{8} ^{2}/_{15}-^{6}/_{8} ^{2}/_{3}-^{6}/_{40} ^{14}/_{3}-^{6}/_{8} ^{2}/_{3}-^{42}/_{8} ^{2}/_{21}-^{6}/_{8} ^{2}/_{3}-^{6}/_{56}

© everydaycalculation.com