Add 20/42 and 20/25
20/42 + 20/25 is 134/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
20/42 = 20 × 25/42 × 25 = 500/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
20/25 = 20 × 42/25 × 42 = 840/1050 - Add the two like fractions:
500/1050 + 840/1050 = 500 + 840/1050 = 1340/1050 - 1340/1050 simplified gives 134/105
- So, 20/42 + 20/25 = 134/105
In mixed form: 129/105
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