Subtract 72/10 from 40/25
1st number: 1 15/25, 2nd number: 7 2/10
40/25 - 72/10 is -28/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
40/25 = 40 × 2/25 × 2 = 80/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
72/10 = 72 × 5/10 × 5 = 360/50 - Subtract the two like fractions:
80/50 - 360/50 = 80 - 360/50 = -280/50 - After reducing the fraction, the answer is -28/5
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