Add 21/50 and 6/90
21/50 + 6/90 is 73/150.
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,
21/50 = 21 × 9/50 × 9 = 189/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
6/90 = 6 × 5/90 × 5 = 30/450 - Add the two like fractions:
189/450 + 30/450 = 189 + 30/450 = 219/450 - 219/450 simplified gives 73/150
- So, 21/50 + 6/90 = 73/150
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