Subtract 6/20 from 72/14, Solve 5 2/14

Subtract 6/20 from 72/14

1^st number: 5 2/14, 2^nd number: 6/20

72/14 - 6/20 is 339/70.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 14 × 10 = 140,
72/14 = 72 × 10/14 × 10 = 720/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140
Subtract the two like fractions:
720/140 - 42/140 = 720 - 42/140 = 678/140
After reducing the fraction, the answer is 339/70
In mixed form: 459/70

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