Subtract 9/60 from 42/14, Solve 3 0/14

Subtract 9/60 from 42/14

1^st number: 3 0/14, 2^nd number: 9/60

42/14 - 9/60 is 57/20.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 14 × 30 = 420,
42/14 = 42 × 30/14 × 30 = 1260/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420
Subtract the two like fractions:
1260/420 - 63/420 = 1260 - 63/420 = 1197/420
After reducing the fraction, the answer is 57/20
In mixed form: 217/20

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