Subtract 72/10 from 40/35
1st number: 1 5/35, 2nd number: 7 2/10
40/35 - 72/10 is -212/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
40/35 = 40 × 2/35 × 2 = 80/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Subtract the two like fractions:
80/70 - 504/70 = 80 - 504/70 = -424/70 - After reducing the fraction, the answer is -212/35
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