Add 20/50 and 70/40
1st number: 20/50, 2nd number: 1 30/40
20/50 + 70/40 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
20/50 = 20 × 4/50 × 4 = 80/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
70/40 = 70 × 5/40 × 5 = 350/200 - Add the two like fractions:
80/200 + 350/200 = 80 + 350/200 = 430/200 - 430/200 simplified gives 43/20
- So, 20/50 + 70/40 = 43/20
In mixed form: 23/20
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