Subtract 40/72 from 70/40
1st number: 1 30/40, 2nd number: 40/72
70/40 - 40/72 is 43/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Subtract the two like fractions:
630/360 - 200/360 = 630 - 200/360 = 430/360 - After reducing the fraction, the answer is 43/36
- In mixed form: 17/36
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