Add 84/27 and 42/40
1st number: 3 3/27, 2nd number: 1 2/40
84/27 + 42/40 is 749/180.
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,
84/27 = 84 × 40/27 × 40 = 3360/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
42/40 = 42 × 27/40 × 27 = 1134/1080 - Add the two like fractions:
3360/1080 + 1134/1080 = 3360 + 1134/1080 = 4494/1080 - 4494/1080 simplified gives 749/180
- So, 84/27 + 42/40 = 749/180
In mixed form: 429/180
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