Subtract 21/90 from 98/15
1st number: 6 8/15, 2nd number: 21/90
98/15 - 21/90 is 63/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
98/15 = 98 × 6/15 × 6 = 588/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Subtract the two like fractions:
588/90 - 21/90 = 588 - 21/90 = 567/90 - After reducing the fraction, the answer is 63/10
- In mixed form: 63/10
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