Subtract 9/36 from 72/30
1st number: 2 12/30, 2nd number: 9/36
72/30 - 9/36 is 43/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
72/30 = 72 × 6/30 × 6 = 432/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
9/36 = 9 × 5/36 × 5 = 45/180 - Subtract the two like fractions:
432/180 - 45/180 = 432 - 45/180 = 387/180 - After reducing the fraction, the answer is 43/20
- In mixed form: 23/20
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