Add 15/54 and 20/40
15/54 + 20/40 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
15/54 = 15 × 20/54 × 20 = 300/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Add the two like fractions:
300/1080 + 540/1080 = 300 + 540/1080 = 840/1080 - 840/1080 simplified gives 7/9
- So, 15/54 + 20/40 = 7/9
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