Add 20/15 and 27/4
1st number: 1 5/15, 2nd number: 6 3/4
20/15 + 27/4 is 97/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
20/15 = 20 × 4/15 × 4 = 80/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
27/4 = 27 × 15/4 × 15 = 405/60 - Add the two like fractions:
80/60 + 405/60 = 80 + 405/60 = 485/60 - 485/60 simplified gives 97/12
- So, 20/15 + 27/4 = 97/12
In mixed form: 81/12
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