Subtract 90/50 from 72/30
1st number: 2 12/30, 2nd number: 1 40/50
72/30 - 90/50 is 3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
72/30 = 72 × 5/30 × 5 = 360/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
90/50 = 90 × 3/50 × 3 = 270/150 - Subtract the two like fractions:
360/150 - 270/150 = 360 - 270/150 = 90/150 - After reducing the fraction, the answer is 3/5
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