Add 20/50 and 9/90
20/50 + 9/90 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
9/90 = 9 × 5/90 × 5 = 45/450 - Add the two like fractions:
180/450 + 45/450 = 180 + 45/450 = 225/450 - 225/450 simplified gives 1/2
- So, 20/50 + 9/90 = 1/2
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