Subtract 21/10 from 49/15
1st number: 3 4/15, 2nd number: 2 1/10
49/15 - 21/10 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
49/15 = 49 × 2/15 × 2 = 98/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Subtract the two like fractions:
98/30 - 63/30 = 98 - 63/30 = 35/30 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
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