Add 30/25 and 18/80
1st number: 1 5/25, 2nd number: 18/80
30/25 + 18/80 is 57/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
30/25 = 30 × 16/25 × 16 = 480/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
18/80 = 18 × 5/80 × 5 = 90/400 - Add the two like fractions:
480/400 + 90/400 = 480 + 90/400 = 570/400 - 570/400 simplified gives 57/40
- So, 30/25 + 18/80 = 57/40
In mixed form: 117/40
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