Subtract 32/21 from 2/10
1st number: 2/10, 2nd number: 1 11/21
2/10 - 32/21 is -139/105.
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,
2/10 = 2 × 21/10 × 21 = 42/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
32/21 = 32 × 10/21 × 10 = 320/210 - Subtract the two like fractions:
42/210 - 320/210 = 42 - 320/210 = -278/210 - After reducing the fraction, the answer is -139/105
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