Add 30/80 and 81/8
1st number: 30/80, 2nd number: 10 1/8
30/80 + 81/8 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
81/8 = 81 × 10/8 × 10 = 810/80 - Add the two like fractions:
30/80 + 810/80 = 30 + 810/80 = 840/80 - 840/80 simplified gives 21/2
- So, 30/80 + 81/8 = 21/2
In mixed form: 101/2
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