Subtract 72/16 from 50/20
1st number: 2 10/20, 2nd number: 4 8/16
50/20 - 72/16 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
50/20 = 50 × 4/20 × 4 = 200/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Subtract the two like fractions:
200/80 - 360/80 = 200 - 360/80 = -160/80 - After reducing the fraction, the answer is -2/1
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