Subtract 4/60 from 56/35, Solve 1 21/35

Subtract 4/60 from 56/35

1^st number: 1 21/35, 2^nd number: 4/60

56/35 - 4/60 is 23/15.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 35 × 12 = 420,
56/35 = 56 × 12/35 × 12 = 672/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420
Subtract the two like fractions:
672/420 - 28/420 = 672 - 28/420 = 644/420
After reducing the fraction, the answer is 23/15
In mixed form: 18/15

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