Subtract 42/98 from 7/5, Solve 1 2/5

Subtract 42/98 from 7/5

1^st number: 1 2/5, 2^nd number: 42/98

7/5 - 42/98 is 34/35.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 5 × 98 = 490,
7/5 = 7 × 98/5 × 98 = 686/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490
Subtract the two like fractions:
686/490 - 210/490 = 686 - 210/490 = 476/490
After reducing the fraction, the answer is 34/35

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