Add 12/40 and 90/27
1st number: 12/40, 2nd number: 3 9/27
12/40 + 90/27 is 109/30.
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,
12/40 = 12 × 27/40 × 27 = 324/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
90/27 = 90 × 40/27 × 40 = 3600/1080 - Add the two like fractions:
324/1080 + 3600/1080 = 324 + 3600/1080 = 3924/1080 - 3924/1080 simplified gives 109/30
- So, 12/40 + 90/27 = 109/30
In mixed form: 319/30
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