Add 18/80 and 90/10
1st number: 18/80, 2nd number: 9 0/10
18/80 + 90/10 is 369/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
90/10 = 90 × 8/10 × 8 = 720/80 - Add the two like fractions:
18/80 + 720/80 = 18 + 720/80 = 738/80 - 738/80 simplified gives 369/40
- So, 18/80 + 90/10 = 369/40
In mixed form: 99/40
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