Add 15/90 and 21/50
15/90 + 21/50 is 44/75.
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,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
75/450 + 189/450 = 75 + 189/450 = 264/450 - 264/450 simplified gives 44/75
- So, 15/90 + 21/50 = 44/75
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