Subtract 12/49 from 81/2
1st number: 40 1/2, 2nd number: 12/49
81/2 - 12/49 is 3945/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
81/2 = 81 × 49/2 × 49 = 3969/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
12/49 = 12 × 2/49 × 2 = 24/98 - Subtract the two like fractions:
3969/98 - 24/98 = 3969 - 24/98 = 3945/98 - In mixed form: 4025/98
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