Add 20/84 and 42/25
1st number: 20/84, 2nd number: 1 17/25
20/84 + 42/25 is 1007/525.
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,
20/84 = 20 × 25/84 × 25 = 500/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
42/25 = 42 × 84/25 × 84 = 3528/2100 - Add the two like fractions:
500/2100 + 3528/2100 = 500 + 3528/2100 = 4028/2100 - 4028/2100 simplified gives 1007/525
- So, 20/84 + 42/25 = 1007/525
In mixed form: 1482/525
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