Add 20/25 and 10/42
20/25 + 10/42 is 109/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
20/25 = 20 × 42/25 × 42 = 840/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
10/42 = 10 × 25/42 × 25 = 250/1050 - Add the two like fractions:
840/1050 + 250/1050 = 840 + 250/1050 = 1090/1050 - 1090/1050 simplified gives 109/105
- So, 20/25 + 10/42 = 109/105
In mixed form: 14/105
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