Subtract 49/40 from 96/84, Solve 1 12/84

Subtract 49/40 from 96/84

1^st number: 1 12/84, 2^nd number: 1 9/40

96/84 - 49/40 is -23/280.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 84 × 10 = 840,
96/84 = 96 × 10/84 × 10 = 960/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
49/40 = 49 × 21/40 × 21 = 1029/840
Subtract the two like fractions:
960/840 - 1029/840 = 960 - 1029/840 = -69/840
After reducing the fraction, the answer is -23/280

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