Subtract 72/28 from 45/5
1st number: 9 0/5, 2nd number: 2 16/28
45/5 - 72/28 is 45/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
45/5 = 45 × 28/5 × 28 = 1260/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Subtract the two like fractions:
1260/140 - 360/140 = 1260 - 360/140 = 900/140 - After reducing the fraction, the answer is 45/7
- In mixed form: 63/7
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