Subtract 21/14 from 98/30
1st number: 3 8/30, 2nd number: 1 7/14
98/30 - 21/14 is 53/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
21/14 = 21 × 15/14 × 15 = 315/210 - Subtract the two like fractions:
686/210 - 315/210 = 686 - 315/210 = 371/210 - After reducing the fraction, the answer is 53/30
- In mixed form: 123/30
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