Add 20/25 and 21/16
1st number: 20/25, 2nd number: 1 5/16
20/25 + 21/16 is 169/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 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 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Add the two like fractions:
320/400 + 525/400 = 320 + 525/400 = 845/400 - 845/400 simplified gives 169/80
- So, 20/25 + 21/16 = 169/80
In mixed form: 29/80
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