Add 5/4 and 30/80
1st number: 1 1/4, 2nd number: 30/80
5/4 + 30/80 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
5/4 = 5 × 20/4 × 20 = 100/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Add the two like fractions:
100/80 + 30/80 = 100 + 30/80 = 130/80 - 130/80 simplified gives 13/8
- So, 5/4 + 30/80 = 13/8
In mixed form: 15/8
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