Add 72/40 and 15/54
1st number: 1 32/40, 2nd number: 15/54
72/40 + 15/54 is 187/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
72/40 = 72 × 27/40 × 27 = 1944/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
15/54 = 15 × 20/54 × 20 = 300/1080 - Add the two like fractions:
1944/1080 + 300/1080 = 1944 + 300/1080 = 2244/1080 - 2244/1080 simplified gives 187/90
- So, 72/40 + 15/54 = 187/90
In mixed form: 27/90
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