Subtract 75/8 from 28/98, Solve 28/98

Subtract 75/8 from 28/98

1^st number: 28/98, 2^nd number: 9 3/8

28/98 - 75/8 is -509/56.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 98 × 4 = 392,
28/98 = 28 × 4/98 × 4 = 112/392
Likewise, for the 2nd fraction, since 8 × 49 = 392,
75/8 = 75 × 49/8 × 49 = 3675/392
Subtract the two like fractions:
112/392 - 3675/392 = 112 - 3675/392 = -3563/392
After reducing the fraction, the answer is -509/56

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