Subtract 10/98 from 21/18, Solve 1 3/18

Subtract 10/98 from 21/18

1^st number: 1 3/18, 2^nd number: 10/98

21/18 - 10/98 is 313/294.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 18 × 49 = 882,
21/18 = 21 × 49/18 × 49 = 1029/882
Likewise, for the 2nd fraction, since 98 × 9 = 882,
10/98 = 10 × 9/98 × 9 = 90/882
Subtract the two like fractions:
1029/882 - 90/882 = 1029 - 90/882 = 939/882
After reducing the fraction, the answer is 313/294
In mixed form: 119/294

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