Add 21/50 and 28/45
21/50 + 28/45 is 469/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
28/45 = 28 × 10/45 × 10 = 280/450 - Add the two like fractions:
189/450 + 280/450 = 189 + 280/450 = 469/450 - So, 21/50 + 28/45 = 469/450
In mixed form: 119/450
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