Add 5/20 and 21/16
1st number: 5/20, 2nd number: 1 5/16
5/20 + 21/16 is 25/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
5/20 = 5 × 4/20 × 4 = 20/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Add the two like fractions:
20/80 + 105/80 = 20 + 105/80 = 125/80 - 125/80 simplified gives 25/16
- So, 5/20 + 21/16 = 25/16
In mixed form: 19/16
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