Subtract 4/9 from 20/14, Solve 1 6/14

Subtract 4/9 from 20/14

1^st number: 1 6/14, 2^nd number: 4/9

20/14 - 4/9 is 62/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
4/9 = 4 × 14/9 × 14 = 56/126
Subtract the two like fractions:
180/126 - 56/126 = 180 - 56/126 = 124/126
After reducing the fraction, the answer is 62/63

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