Subtract 10/4 from 28/98, Solve 28/98

Subtract 10/4 from 28/98

1^st number: 28/98, 2^nd number: 2 2/4

28/98 - 10/4 is -31/14.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
28/98 = 28 × 2/98 × 2 = 56/196
Likewise, for the 2nd fraction, since 4 × 49 = 196,
10/4 = 10 × 49/4 × 49 = 490/196
Subtract the two like fractions:
56/196 - 490/196 = 56 - 490/196 = -434/196
After reducing the fraction, the answer is -31/14

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