Add 21/30 and 40/50
21/30 + 40/50 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
21/30 = 21 × 5/30 × 5 = 105/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
40/50 = 40 × 3/50 × 3 = 120/150 - Add the two like fractions:
105/150 + 120/150 = 105 + 120/150 = 225/150 - 225/150 simplified gives 3/2
- So, 21/30 + 40/50 = 3/2
In mixed form: 11/2
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