Subtract 10/72 from 70/45
1st number: 1 25/45, 2nd number: 10/72
70/45 - 10/72 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
70/45 = 70 × 8/45 × 8 = 560/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Subtract the two like fractions:
560/360 - 50/360 = 560 - 50/360 = 510/360 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
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