Subtract 81/24 from 1/49, Solve 1/49

Subtract 81/24 from 1/49

1^st number: 1/49, 2^nd number: 3 9/24

1/49 - 81/24 is -1315/392.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 24 is 1176

Next, find the equivalent fraction of both fractional numbers with denominator 1176
For the 1st fraction, since 49 × 24 = 1176,
1/49 = 1 × 24/49 × 24 = 24/1176
Likewise, for the 2nd fraction, since 24 × 49 = 1176,
81/24 = 81 × 49/24 × 49 = 3969/1176
Subtract the two like fractions:
24/1176 - 3969/1176 = 24 - 3969/1176 = -3945/1176
After reducing the fraction, the answer is -1315/392

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