Add 25/50 and 21/90
25/50 + 21/90 is 11/15.
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,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Add the two like fractions:
225/450 + 105/450 = 225 + 105/450 = 330/450 - 330/450 simplified gives 11/15
- So, 25/50 + 21/90 = 11/15
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