Subtract 27/20 from 4/48, Solve 4/48

Subtract 27/20 from 4/48

1^st number: 4/48, 2^nd number: 1 7/20

4/48 - 27/20 is -19/15.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 48 × 5 = 240,
4/48 = 4 × 5/48 × 5 = 20/240
Likewise, for the 2nd fraction, since 20 × 12 = 240,
27/20 = 27 × 12/20 × 12 = 324/240
Subtract the two like fractions:
20/240 - 324/240 = 20 - 324/240 = -304/240
After reducing the fraction, the answer is -19/15

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