Add 28/15 and 25/12
1st number: 1 13/15, 2nd number: 2 1/12
28/15 + 25/12 is 79/20.
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,
28/15 = 28 × 4/15 × 4 = 112/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
25/12 = 25 × 5/12 × 5 = 125/60 - Add the two like fractions:
112/60 + 125/60 = 112 + 125/60 = 237/60 - 237/60 simplified gives 79/20
- So, 28/15 + 25/12 = 79/20
In mixed form: 319/20
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