Subtract 15/84 from 72/24
1st number: 3 0/24, 2nd number: 15/84
72/24 - 15/84 is 79/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
72/24 = 72 × 7/24 × 7 = 504/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
15/84 = 15 × 2/84 × 2 = 30/168 - Subtract the two like fractions:
504/168 - 30/168 = 504 - 30/168 = 474/168 - After reducing the fraction, the answer is 79/28
- In mixed form: 223/28
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