Add 72/27 and 20/40
1st number: 2 18/27, 2nd number: 20/40
72/27 + 20/40 is 19/6.
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,
72/27 = 72 × 40/27 × 40 = 2880/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Add the two like fractions:
2880/1080 + 540/1080 = 2880 + 540/1080 = 3420/1080 - 3420/1080 simplified gives 19/6
- So, 72/27 + 20/40 = 19/6
In mixed form: 31/6
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