Subtract 21/35 from 42/14
1st number: 3 0/14, 2nd number: 21/35
42/14 - 21/35 is 12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
42/14 = 42 × 5/14 × 5 = 210/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70 - Subtract the two like fractions:
210/70 - 42/70 = 210 - 42/70 = 168/70 - After reducing the fraction, the answer is 12/5
- In mixed form: 22/5
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