Subtract 20/50 from 72/15
1st number: 4 12/15, 2nd number: 20/50
72/15 - 20/50 is 22/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
72/15 = 72 × 10/15 × 10 = 720/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150 - Subtract the two like fractions:
720/150 - 60/150 = 720 - 60/150 = 660/150 - After reducing the fraction, the answer is 22/5
- In mixed form: 42/5
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