Add 21/40 and 96/81
1st number: 21/40, 2nd number: 1 15/81
21/40 + 96/81 is 1847/1080.
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,
21/40 = 21 × 81/40 × 81 = 1701/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
96/81 = 96 × 40/81 × 40 = 3840/3240 - Add the two like fractions:
1701/3240 + 3840/3240 = 1701 + 3840/3240 = 5541/3240 - 5541/3240 simplified gives 1847/1080
- So, 21/40 + 96/81 = 1847/1080
In mixed form: 1767/1080
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