Subtract 48/10 from 42/27, Solve 1 15/27

Subtract 48/10 from 42/27

1^st number: 1 15/27, 2^nd number: 4 8/10

42/27 - 48/10 is -146/45.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
48/10 = 48 × 27/10 × 27 = 1296/270
Subtract the two like fractions:
420/270 - 1296/270 = 420 - 1296/270 = -876/270
After reducing the fraction, the answer is -146/45

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