Add 90/27 and 28/40
1st number: 3 9/27, 2nd number: 28/40
90/27 + 28/40 is 121/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
90/27 = 90 × 40/27 × 40 = 3600/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
28/40 = 28 × 27/40 × 27 = 756/1080 - Add the two like fractions:
3600/1080 + 756/1080 = 3600 + 756/1080 = 4356/1080 - 4356/1080 simplified gives 121/30
- So, 90/27 + 28/40 = 121/30
In mixed form: 41/30
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