Add 42/84 and 12/25
42/84 + 12/25 is 49/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
42/84 = 42 × 25/84 × 25 = 1050/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
12/25 = 12 × 84/25 × 84 = 1008/2100 - Add the two like fractions:
1050/2100 + 1008/2100 = 1050 + 1008/2100 = 2058/2100 - 2058/2100 simplified gives 49/50
- So, 42/84 + 12/25 = 49/50
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