Subtract 20/16 from 4/10
1st number: 4/10, 2nd number: 1 4/16
4/10 - 20/16 is -17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
4/10 = 4 × 8/10 × 8 = 32/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Subtract the two like fractions:
32/80 - 100/80 = 32 - 100/80 = -68/80 - After reducing the fraction, the answer is -17/20
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