Subtract 9/14 from 54/20, Solve 2 14/20

Subtract 9/14 from 54/20

1^st number: 2 14/20, 2^nd number: 9/14

54/20 - 9/14 is 72/35.

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

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140
Likewise, for the 2nd fraction, since 14 × 10 = 140,
9/14 = 9 × 10/14 × 10 = 90/140
Subtract the two like fractions:
378/140 - 90/140 = 378 - 90/140 = 288/140
After reducing the fraction, the answer is 72/35
In mixed form: 22/35

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