Subtract 63/42 from 72/35
1st number: 2 2/35, 2nd number: 1 21/42
72/35 - 63/42 is 39/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
72/35 = 72 × 6/35 × 6 = 432/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210 - Subtract the two like fractions:
432/210 - 315/210 = 432 - 315/210 = 117/210 - After reducing the fraction, the answer is 39/70
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