Add 15/25 and 16/20
15/25 + 16/20 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
15/25 = 15 × 4/25 × 4 = 60/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
16/20 = 16 × 5/20 × 5 = 80/100 - Add the two like fractions:
60/100 + 80/100 = 60 + 80/100 = 140/100 - 140/100 simplified gives 7/5
- So, 15/25 + 16/20 = 7/5
In mixed form: 12/5
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