Subtract 40/84 from 15/2
1st number: 7 1/2, 2nd number: 40/84
15/2 - 40/84 is 295/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
15/2 = 15 × 42/2 × 42 = 630/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Subtract the two like fractions:
630/84 - 40/84 = 630 - 40/84 = 590/84 - After reducing the fraction, the answer is 295/42
- In mixed form: 71/42
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