Subtract 7/6 from 10/21
1st number: 10/21, 2nd number: 1 1/6
1021 - 76 is -2942.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
1021 = 10 × 221 × 2 = 2042 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
76 = 7 × 76 × 7 = 4942 - Subtract the two like fractions:
2042 - 4942 = 20 - 4942 = -2942
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