Add 15/90 and 5/25
15/90 + 5/25 is 11/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
15/90 = 15 × 5/90 × 5 = 75/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
5/25 = 5 × 18/25 × 18 = 90/450 - Add the two like fractions:
75/450 + 90/450 = 75 + 90/450 = 165/450 - 165/450 simplified gives 11/30
- So, 15/90 + 5/25 = 11/30
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