Subtract 15/3 from 42/4
1st number: 10 2/4, 2nd number: 5 0/3
42/4 - 15/3 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
42/4 = 42 × 3/4 × 3 = 126/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
15/3 = 15 × 4/3 × 4 = 60/12 - Subtract the two like fractions:
126/12 - 60/12 = 126 - 60/12 = 66/12 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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