Subtract 72/49 from 42/10
1st number: 4 2/10, 2nd number: 1 23/49
42/10 - 72/49 is 669/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
42/10 = 42 × 49/10 × 49 = 2058/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
72/49 = 72 × 10/49 × 10 = 720/490 - Subtract the two like fractions:
2058/490 - 720/490 = 2058 - 720/490 = 1338/490 - After reducing the fraction, the answer is 669/245
- In mixed form: 2179/245
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