Add 15/25 and 30/40
15/25 + 30/40 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
15/25 = 15 × 8/25 × 8 = 120/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
30/40 = 30 × 5/40 × 5 = 150/200 - Add the two like fractions:
120/200 + 150/200 = 120 + 150/200 = 270/200 - 270/200 simplified gives 27/20
- So, 15/25 + 30/40 = 27/20
In mixed form: 17/20
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