Subtract 21/5 from 4/6
1st number: 4/6, 2nd number: 4 1/5
4/6 - 21/5 is -53/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
4/6 = 4 × 5/6 × 5 = 20/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Subtract the two like fractions:
20/30 - 126/30 = 20 - 126/30 = -106/30 - After reducing the fraction, the answer is -53/15
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