Subtract 21/98 from 12/8
1st number: 1 4/8, 2nd number: 21/98
12/8 - 21/98 is 9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
12/8 = 12 × 49/8 × 49 = 588/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Subtract the two like fractions:
588/392 - 84/392 = 588 - 84/392 = 504/392 - After reducing the fraction, the answer is 9/7
- In mixed form: 12/7
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