Subtract 4/72 from 7/15, Solve 7/15

Subtract 4/72 from 7/15

7/15 - 4/72 is 37/90.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 15 × 24 = 360,
7/15 = 7 × 24/15 × 24 = 168/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360
Subtract the two like fractions:
168/360 - 20/360 = 168 - 20/360 = 148/360
After reducing the fraction, the answer is 37/90

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