Add 30/80 and 15/8
1st number: 30/80, 2nd number: 1 7/8
30/80 + 15/8 is 9/4.
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,
15/8 = 15 × 10/8 × 10 = 150/80 - Add the two like fractions:
30/80 + 150/80 = 30 + 150/80 = 180/80 - 180/80 simplified gives 9/4
- So, 30/80 + 15/8 = 9/4
In mixed form: 21/4
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