Add 80/18 and 48/20
1st number: 4 8/18, 2nd number: 2 8/20
80/18 + 48/20 is 308/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
80/18 = 80 × 10/18 × 10 = 800/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
48/20 = 48 × 9/20 × 9 = 432/180 - Add the two like fractions:
800/180 + 432/180 = 800 + 432/180 = 1232/180 - 1232/180 simplified gives 308/45
- So, 80/18 + 48/20 = 308/45
In mixed form: 638/45
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