Subtract 7/72 from 42/35
1st number: 1 7/35, 2nd number: 7/72
42/35 - 7/72 is 397/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
7/72 = 7 × 35/72 × 35 = 245/2520 - Subtract the two like fractions:
3024/2520 - 245/2520 = 3024 - 245/2520 = 2779/2520 - After reducing the fraction, the answer is 397/360
- In mixed form: 137/360
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