Add 1/40 and 98/81
1st number: 1/40, 2nd number: 1 17/81
1/40 + 98/81 is 4001/3240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
1/40 = 1 × 81/40 × 81 = 81/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
98/81 = 98 × 40/81 × 40 = 3920/3240 - Add the two like fractions:
81/3240 + 3920/3240 = 81 + 3920/3240 = 4001/3240 - So, 1/40 + 98/81 = 4001/3240
In mixed form: 1761/3240
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