Subtract 90/48 from 4/15, Solve 4/15

Subtract 90/48 from 4/15

1^st number: 4/15, 2^nd number: 1 42/48

4/15 - 90/48 is -193/120.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
4/15 = 4 × 16/15 × 16 = 64/240
Likewise, for the 2nd fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240
Subtract the two like fractions:
64/240 - 450/240 = 64 - 450/240 = -386/240
After reducing the fraction, the answer is -193/120

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