Subtract 42/12 from 35/25, Solve 1 10/25

Subtract 42/12 from 35/25

1^st number: 1 10/25, 2^nd number: 3 6/12

35/25 - 42/12 is -21/10.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 25 × 12 = 300,
35/25 = 35 × 12/25 × 12 = 420/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
42/12 = 42 × 25/12 × 25 = 1050/300
Subtract the two like fractions:
420/300 - 1050/300 = 420 - 1050/300 = -630/300
After reducing the fraction, the answer is -21/10

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