Subtract 21/35 from 42/5
1st number: 8 2/5, 2nd number: 21/35
42/5 - 21/35 is 39/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
42/5 = 42 × 7/5 × 7 = 294/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
21/35 = 21 × 1/35 × 1 = 21/35 - Subtract the two like fractions:
294/35 - 21/35 = 294 - 21/35 = 273/35 - After reducing the fraction, the answer is 39/5
- In mixed form: 74/5
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