Add 20/25 and 20/80
20/25 + 20/80 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
20/25 = 20 × 16/25 × 16 = 320/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
20/80 = 20 × 5/80 × 5 = 100/400 - Add the two like fractions:
320/400 + 100/400 = 320 + 100/400 = 420/400 - 420/400 simplified gives 21/20
- So, 20/25 + 20/80 = 21/20
In mixed form: 11/20
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