Subtract 72/28 from 18/5
1st number: 3 3/5, 2nd number: 2 16/28
18/5 - 72/28 is 36/35.
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,
18/5 = 18 × 28/5 × 28 = 504/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Subtract the two like fractions:
504/140 - 360/140 = 504 - 360/140 = 144/140 - After reducing the fraction, the answer is 36/35
- In mixed form: 11/35
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