Subtract 3/72 from 18/15
1st number: 1 3/15, 2nd number: 3/72
18/15 - 3/72 is 139/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
18/15 = 18 × 24/15 × 24 = 432/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Subtract the two like fractions:
432/360 - 15/360 = 432 - 15/360 = 417/360 - After reducing the fraction, the answer is 139/120
- In mixed form: 119/120
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