Add 15/54 and 35/40
15/54 + 35/40 is 83/72.
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,
35/40 = 35 × 27/40 × 27 = 945/1080 - Add the two like fractions:
300/1080 + 945/1080 = 300 + 945/1080 = 1245/1080 - 1245/1080 simplified gives 83/72
- So, 15/54 + 35/40 = 83/72
In mixed form: 111/72
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