Subtract 20/49 from 42/5
1st number: 8 2/5, 2nd number: 20/49
42/5 - 20/49 is 1958/245.
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,
42/5 = 42 × 49/5 × 49 = 2058/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
20/49 = 20 × 5/49 × 5 = 100/245 - Subtract the two like fractions:
2058/245 - 100/245 = 2058 - 100/245 = 1958/245 - In mixed form: 7243/245
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