Add 20/80 and 40/50
20/80 + 40/50 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
20/80 = 20 × 5/80 × 5 = 100/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
40/50 = 40 × 8/50 × 8 = 320/400 - Add the two like fractions:
100/400 + 320/400 = 100 + 320/400 = 420/400 - 420/400 simplified gives 21/20
- So, 20/80 + 40/50 = 21/20
In mixed form: 11/20
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