Solutions by everydaycalculation.com

1^{st} number: 2 2/3, 2^{nd} number: 5 2/8

83 - 428 is -3112.

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

LCM of 3 and 8 is**24** - For the 1st fraction, since 3 × 8 = 24,

83 = 8 × 83 × 8 = 6424 - Likewise, for the 2nd fraction, since 8 × 3 = 24,

428 = 42 × 38 × 3 = 12624 - Subtract the two fractions:

6424 - 12624 = 64 - 12624 = -6224 - After reducing the fraction, the answer is -3112

Related: ^{16}/_{3}-^{42}/_{8} ^{8}/_{3}-^{84}/_{8} ^{8}/_{6}-^{42}/_{8} ^{8}/_{3}-^{42}/_{16} ^{24}/_{3}-^{42}/_{8} ^{8}/_{9}-^{42}/_{8} ^{8}/_{3}-^{42}/_{24} ^{40}/_{3}-^{42}/_{8} ^{8}/_{15}-^{42}/_{8} ^{8}/_{3}-^{42}/_{40} ^{56}/_{3}-^{42}/_{8} ^{8}/_{21}-^{42}/_{8} ^{8}/_{3}-^{42}/_{56}

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