Subtract 7/24 from 42/80, Solve 42/80

Subtract 7/24 from 42/80

42/80 - 7/24 is 7/30.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 24 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240
Likewise, for the 2nd fraction, since 24 × 10 = 240,
7/24 = 7 × 10/24 × 10 = 70/240
Subtract the two like fractions:
126/240 - 70/240 = 126 - 70/240 = 56/240
After reducing the fraction, the answer is 7/30

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