Subtract 42/10 from 7/5
1st number: 1 2/5, 2nd number: 4 2/10
7/5 - 42/10 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
7/5 = 7 × 2/5 × 2 = 14/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
42/10 = 42 × 1/10 × 1 = 42/10 - Subtract the two like fractions:
14/10 - 42/10 = 14 - 42/10 = -28/10 - After reducing the fraction, the answer is -14/5
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