Subtract 7/9 from 72/40
1st number: 1 32/40, 2nd number: 7/9
72/40 - 7/9 is 46/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
7/9 = 7 × 40/9 × 40 = 280/360 - Subtract the two like fractions:
648/360 - 280/360 = 648 - 280/360 = 368/360 - After reducing the fraction, the answer is 46/45
- In mixed form: 11/45
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