Add 42/84 and 20/75
42/84 + 20/75 is 23/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 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 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100 - Add the two like fractions:
1050/2100 + 560/2100 = 1050 + 560/2100 = 1610/2100 - 1610/2100 simplified gives 23/30
- So, 42/84 + 20/75 = 23/30
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