Subtract 42/60 from 7/9, Solve 7/9

Subtract 42/60 from 7/9

7/9 - 42/60 is 7/90.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 9 × 20 = 180,
7/9 = 7 × 20/9 × 20 = 140/180
Likewise, for the 2nd fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180
Subtract the two like fractions:
140/180 - 126/180 = 140 - 126/180 = 14/180
After reducing the fraction, the answer is 7/90

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