Subtract 90/18 from 60/14, Solve 4 4/14

Subtract 90/18 from 60/14

1^st number: 4 4/14, 2^nd number: 5 0/18

60/14 - 90/18 is -5/7.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
60/14 = 60 × 9/14 × 9 = 540/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126
Subtract the two like fractions:
540/126 - 630/126 = 540 - 630/126 = -90/126
After reducing the fraction, the answer is -5/7

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