Subtract 40/49 from 81/4
1st number: 20 1/4, 2nd number: 40/49
81/4 - 40/49 is 3809/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
81/4 = 81 × 49/4 × 49 = 3969/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
40/49 = 40 × 4/49 × 4 = 160/196 - Subtract the two like fractions:
3969/196 - 160/196 = 3969 - 160/196 = 3809/196 - In mixed form: 1985/196
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