Subtract 10/5 from 42/45
1st number: 42/45, 2nd number: 2 0/5
42/45 - 10/5 is -16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
10/5 = 10 × 9/5 × 9 = 90/45 - Subtract the two like fractions:
42/45 - 90/45 = 42 - 90/45 = -48/45 - After reducing the fraction, the answer is -16/15
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