Add 20/84 and 70/50
1st number: 20/84, 2nd number: 1 20/50
20/84 + 70/50 is 172/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 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 50 × 42 = 2100,
70/50 = 70 × 42/50 × 42 = 2940/2100 - Add the two like fractions:
500/2100 + 2940/2100 = 500 + 2940/2100 = 3440/2100 - 3440/2100 simplified gives 172/105
- So, 20/84 + 70/50 = 172/105
In mixed form: 167/105
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