Subtract 42/8 from 15/2
1st number: 7 1/2, 2nd number: 5 2/8
15/2 - 42/8 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
15/2 = 15 × 4/2 × 4 = 60/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Subtract the two like fractions:
60/8 - 42/8 = 60 - 42/8 = 18/8 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
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