Add 25/27 and 20/40
25/27 + 20/40 is 77/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
25/27 = 25 × 40/27 × 40 = 1000/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Add the two like fractions:
1000/1080 + 540/1080 = 1000 + 540/1080 = 1540/1080 - 1540/1080 simplified gives 77/54
- So, 25/27 + 20/40 = 77/54
In mixed form: 123/54
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