Add 20/25 and 40/80
20/25 + 40/80 is 13/10.
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,
40/80 = 40 × 5/80 × 5 = 200/400 - Add the two like fractions:
320/400 + 200/400 = 320 + 200/400 = 520/400 - 520/400 simplified gives 13/10
- So, 20/25 + 40/80 = 13/10
In mixed form: 13/10
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