Add 30/80 and 90/25
1st number: 30/80, 2nd number: 3 15/25
30/80 + 90/25 is 159/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
30/80 = 30 × 5/80 × 5 = 150/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
90/25 = 90 × 16/25 × 16 = 1440/400 - Add the two like fractions:
150/400 + 1440/400 = 150 + 1440/400 = 1590/400 - 1590/400 simplified gives 159/40
- So, 30/80 + 90/25 = 159/40
In mixed form: 339/40
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