Add 21/50 and 9/30
21/50 + 9/30 is 18/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Add the two like fractions:
63/150 + 45/150 = 63 + 45/150 = 108/150 - 108/150 simplified gives 18/25
- So, 21/50 + 9/30 = 18/25
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