Subtract 27/84 from 70/2, Solve 35 0/2

Subtract 27/84 from 70/2

1^st number: 35 0/2, 2^nd number: 27/84

70/2 - 27/84 is 971/28.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 2 × 42 = 84,
70/2 = 70 × 42/2 × 42 = 2940/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
27/84 = 27 × 1/84 × 1 = 27/84
Subtract the two like fractions:
2940/84 - 27/84 = 2940 - 27/84 = 2913/84
After reducing the fraction, the answer is 971/28
In mixed form: 3419/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad