Add 15/90 and 20/50
15/90 + 20/50 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 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 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Add the two like fractions:
75/450 + 180/450 = 75 + 180/450 = 255/450 - 255/450 simplified gives 17/30
- So, 15/90 + 20/50 = 17/30
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