Subtract 72/8 from 40/10
1st number: 4 0/10, 2nd number: 9 0/8
40/10 - 72/8 is -5/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
40/10 = 40 × 4/10 × 4 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
72/8 = 72 × 5/8 × 5 = 360/40 - Subtract the two like fractions:
160/40 - 360/40 = 160 - 360/40 = -200/40 - After reducing the fraction, the answer is -5/1
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