Subtract 42/20 from 16/10
1st number: 1 6/10, 2nd number: 2 2/20
16/10 - 42/20 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
16/10 = 16 × 2/10 × 2 = 32/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Subtract the two like fractions:
32/20 - 42/20 = 32 - 42/20 = -10/20 - After reducing the fraction, the answer is -1/2
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