Subtract 72/16 from 10/5
1st number: 2 0/5, 2nd number: 4 8/16
10/5 - 72/16 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
10/5 = 10 × 16/5 × 16 = 160/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Subtract the two like fractions:
160/80 - 360/80 = 160 - 360/80 = -200/80 - After reducing the fraction, the answer is -5/2
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