Subtract 15/30 from 72/5
1st number: 14 2/5, 2nd number: 15/30
72/5 - 15/30 is 139/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
72/5 = 72 × 6/5 × 6 = 432/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Subtract the two like fractions:
432/30 - 15/30 = 432 - 15/30 = 417/30 - After reducing the fraction, the answer is 139/10
- In mixed form: 139/10
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