Add 90/40 and 45/27
1st number: 2 10/40, 2nd number: 1 18/27
90/40 + 45/27 is 47/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
90/40 = 90 × 27/40 × 27 = 2430/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
45/27 = 45 × 40/27 × 40 = 1800/1080 - Add the two like fractions:
2430/1080 + 1800/1080 = 2430 + 1800/1080 = 4230/1080 - 4230/1080 simplified gives 47/12
- So, 90/40 + 45/27 = 47/12
In mixed form: 311/12
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