Subtract 6/72 from 90/60
1st number: 1 30/60, 2nd number: 6/72
90/60 - 6/72 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
90/60 = 90 × 6/60 × 6 = 540/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Subtract the two like fractions:
540/360 - 30/360 = 540 - 30/360 = 510/360 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
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