Subtract 60/84 from 42/20, Solve 2 2/20

Subtract 60/84 from 42/20

1^st number: 2 2/20, 2^nd number: 60/84

42/20 - 60/84 is 97/70.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
42/20 = 42 × 21/20 × 21 = 882/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
60/84 = 60 × 5/84 × 5 = 300/420
Subtract the two like fractions:
882/420 - 300/420 = 882 - 300/420 = 582/420
After reducing the fraction, the answer is 97/70
In mixed form: 127/70

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