Subtract 90/48 from 12/10, Solve 1 2/10

Subtract 90/48 from 12/10

1^st number: 1 2/10, 2^nd number: 1 42/48

12/10 - 90/48 is -27/40.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 48 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 10 × 24 = 240,
12/10 = 12 × 24/10 × 24 = 288/240
Likewise, for the 2nd fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240
Subtract the two like fractions:
288/240 - 450/240 = 288 - 450/240 = -162/240
After reducing the fraction, the answer is -27/40

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