Add 10/25 and 9/90
10/25 + 9/90 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
10/25 = 10 × 18/25 × 18 = 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, 10/25 + 9/90 = 1/2
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