Add 21/50 and 42/60
21/50 + 42/60 is 28/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
21/50 = 21 × 6/50 × 6 = 126/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
42/60 = 42 × 5/60 × 5 = 210/300 - Add the two like fractions:
126/300 + 210/300 = 126 + 210/300 = 336/300 - 336/300 simplified gives 28/25
- So, 21/50 + 42/60 = 28/25
In mixed form: 13/25
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