Subtract 42/16 from 15/2
1st number: 7 1/2, 2nd number: 2 10/16
15/2 - 42/16 is 39/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
15/2 = 15 × 8/2 × 8 = 120/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Subtract the two like fractions:
120/16 - 42/16 = 120 - 42/16 = 78/16 - After reducing the fraction, the answer is 39/8
- In mixed form: 47/8
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