Subtract 81/98 from 42/10
1st number: 4 2/10, 2nd number: 81/98
42/10 - 81/98 is 1653/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 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 98 × 5 = 490,
81/98 = 81 × 5/98 × 5 = 405/490 - Subtract the two like fractions:
2058/490 - 405/490 = 2058 - 405/490 = 1653/490 - In mixed form: 3183/490
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