Subtract 9/30 from 72/36
1st number: 2 0/36, 2nd number: 9/30
72/36 - 9/30 is 17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
9/30 = 9 × 6/30 × 6 = 54/180 - Subtract the two like fractions:
360/180 - 54/180 = 360 - 54/180 = 306/180 - After reducing the fraction, the answer is 17/10
- In mixed form: 17/10
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