Subtract 98/72 from 8/84, Solve 8/84

Subtract 98/72 from 8/84

1^st number: 8/84, 2^nd number: 1 26/72

8/84 - 98/72 is -319/252.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 84 × 6 = 504,
8/84 = 8 × 6/84 × 6 = 48/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
98/72 = 98 × 7/72 × 7 = 686/504
Subtract the two like fractions:
48/504 - 686/504 = 48 - 686/504 = -638/504
After reducing the fraction, the answer is -319/252

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