Subtract 35/5 from 1/84, Solve 1/84

Subtract 35/5 from 1/84

1^st number: 1/84, 2^nd number: 7 0/5

1/84 - 35/5 is -587/84.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420
Likewise, for the 2nd fraction, since 5 × 84 = 420,
35/5 = 35 × 84/5 × 84 = 2940/420
Subtract the two like fractions:
5/420 - 2940/420 = 5 - 2940/420 = -2935/420
After reducing the fraction, the answer is -587/84

MathStep (Works offline)

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