Add 40/27 and 81/80
1st number: 1 13/27, 2nd number: 1 1/80
40/27 + 81/80 is 5387/2160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
40/27 = 40 × 80/27 × 80 = 3200/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
81/80 = 81 × 27/80 × 27 = 2187/2160 - Add the two like fractions:
3200/2160 + 2187/2160 = 3200 + 2187/2160 = 5387/2160 - So, 40/27 + 81/80 = 5387/2160
In mixed form: 21067/2160
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