Add 3/10 and 81/80
1st number: 3/10, 2nd number: 1 1/80
3/10 + 81/80 is 21/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
3/10 = 3 × 8/10 × 8 = 24/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Add the two like fractions:
24/80 + 81/80 = 24 + 81/80 = 105/80 - 105/80 simplified gives 21/16
- So, 3/10 + 81/80 = 21/16
In mixed form: 15/16
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