Subtract 81/49 from 12/35
1st number: 12/35, 2nd number: 1 32/49
12/35 - 81/49 is -321/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
12/35 = 12 × 7/35 × 7 = 84/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
81/49 = 81 × 5/49 × 5 = 405/245 - Subtract the two like fractions:
84/245 - 405/245 = 84 - 405/245 = -321/245
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