Add 21/84 and 25/50
21/84 + 25/50 is 3/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
21/84 = 21 × 25/84 × 25 = 525/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
25/50 = 25 × 42/50 × 42 = 1050/2100 - Add the two like fractions:
525/2100 + 1050/2100 = 525 + 1050/2100 = 1575/2100 - 1575/2100 simplified gives 3/4
- So, 21/84 + 25/50 = 3/4
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