Subtract 42/49 from 20/5
1st number: 4 0/5, 2nd number: 42/49
20/5 - 42/49 is 22/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
20/5 = 20 × 49/5 × 49 = 980/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
42/49 = 42 × 5/49 × 5 = 210/245 - Subtract the two like fractions:
980/245 - 210/245 = 980 - 210/245 = 770/245 - After reducing the fraction, the answer is 22/7
- In mixed form: 31/7
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