Add 9/45 and 21/50
9/45 + 21/50 is 31/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
9/45 = 9 × 10/45 × 10 = 90/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
90/450 + 189/450 = 90 + 189/450 = 279/450 - 279/450 simplified gives 31/50
- So, 9/45 + 21/50 = 31/50
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