Subtract 10/98 from 90/35, Solve 2 20/35

Subtract 10/98 from 90/35

1^st number: 2 20/35, 2^nd number: 10/98

90/35 - 10/98 is 121/49.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 35 × 14 = 490,
90/35 = 90 × 14/35 × 14 = 1260/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
10/98 = 10 × 5/98 × 5 = 50/490
Subtract the two like fractions:
1260/490 - 50/490 = 1260 - 50/490 = 1210/490
After reducing the fraction, the answer is 121/49
In mixed form: 223/49

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