Add 15/40 and 90/54
1st number: 15/40, 2nd number: 1 36/54
15/40 + 90/54 is 49/24.
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,
15/40 = 15 × 27/40 × 27 = 405/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
90/54 = 90 × 20/54 × 20 = 1800/1080 - Add the two like fractions:
405/1080 + 1800/1080 = 405 + 1800/1080 = 2205/1080 - 2205/1080 simplified gives 49/24
- So, 15/40 + 90/54 = 49/24
In mixed form: 21/24
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