Subtract 42/4 from 54/15
1st number: 3 9/15, 2nd number: 10 2/4
54/15 - 42/4 is -69/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Subtract the two like fractions:
216/60 - 630/60 = 216 - 630/60 = -414/60 - After reducing the fraction, the answer is -69/10
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