Subtract 98/24 from 40/84, Solve 40/84

Subtract 98/24 from 40/84

1^st number: 40/84, 2^nd number: 4 2/24

40/84 - 98/24 is -101/28.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 84 × 2 = 168,
40/84 = 40 × 2/84 × 2 = 80/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
98/24 = 98 × 7/24 × 7 = 686/168
Subtract the two like fractions:
80/168 - 686/168 = 80 - 686/168 = -606/168
After reducing the fraction, the answer is -101/28

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