Add 15/25 and 20/40
15/25 + 20/40 is 11/10.
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,
20/40 = 20 × 5/40 × 5 = 100/200 - Add the two like fractions:
120/200 + 100/200 = 120 + 100/200 = 220/200 - 220/200 simplified gives 11/10
- So, 15/25 + 20/40 = 11/10
In mixed form: 11/10
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