Add 42/27 and 15/40
1st number: 1 15/27, 2nd number: 15/40
42/27 + 15/40 is 139/72.
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,
42/27 = 42 × 40/27 × 40 = 1680/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
15/40 = 15 × 27/40 × 27 = 405/1080 - Add the two like fractions:
1680/1080 + 405/1080 = 1680 + 405/1080 = 2085/1080 - 2085/1080 simplified gives 139/72
- So, 42/27 + 15/40 = 139/72
In mixed form: 167/72
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