Subtract 3/60 from 35/28, Solve 1 7/28

Subtract 3/60 from 35/28

1^st number: 1 7/28, 2^nd number: 3/60

35/28 - 3/60 is 6/5.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
35/28 = 35 × 15/28 × 15 = 525/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420
Subtract the two like fractions:
525/420 - 21/420 = 525 - 21/420 = 504/420
After reducing the fraction, the answer is 6/5
In mixed form: 11/5

MathStep (Works offline)

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