Subtract 7/21 from 27/10
1st number: 2 7/10, 2nd number: 7/21
2710 - 721 is 7130.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
2710 = 27 × 2110 × 21 = 567210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
721 = 7 × 1021 × 10 = 70210 - Subtract the two like fractions:
567210 - 70210 = 567 - 70210 = 497210 - After reducing the fraction, the answer is 7130
- In mixed form: 21130
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