Add 15/20 and 25/30
15/20 + 25/30 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
25/30 = 25 × 2/30 × 2 = 50/60 - Add the two like fractions:
45/60 + 50/60 = 45 + 50/60 = 95/60 - 95/60 simplified gives 19/12
- So, 15/20 + 25/30 = 19/12
In mixed form: 17/12
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