Subtract 90/72 from 60/30
1st number: 2 0/30, 2nd number: 1 18/72
60/30 - 90/72 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
60/30 = 60 × 12/30 × 12 = 720/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Subtract the two like fractions:
720/360 - 450/360 = 720 - 450/360 = 270/360 - After reducing the fraction, the answer is 3/4
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Related: 60/90-90/72