Add 84/42 and 20/25
1st number: 2 0/42, 2nd number: 20/25
84/42 + 20/25 is 14/5.
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,
84/42 = 84 × 25/42 × 25 = 2100/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
20/25 = 20 × 42/25 × 42 = 840/1050 - Add the two like fractions:
2100/1050 + 840/1050 = 2100 + 840/1050 = 2940/1050 - 2940/1050 simplified gives 14/5
- So, 84/42 + 20/25 = 14/5
In mixed form: 24/5
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