Add 20/8 and 81/16
1st number: 2 4/8, 2nd number: 5 1/16
20/8 + 81/16 is 121/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
20/8 = 20 × 2/8 × 2 = 40/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
81/16 = 81 × 1/16 × 1 = 81/16 - Add the two like fractions:
40/16 + 81/16 = 40 + 81/16 = 121/16 - So, 20/8 + 81/16 = 121/16
In mixed form: 79/16
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