Add 40/15 and 80/12
1st number: 2 10/15, 2nd number: 6 8/12
40/15 + 80/12 is 28/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Add the two like fractions:
160/60 + 400/60 = 160 + 400/60 = 560/60 - 560/60 simplified gives 28/3
- So, 40/15 + 80/12 = 28/3
In mixed form: 91/3
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