Add 80/20 and 63/18
1st number: 4 0/20, 2nd number: 3 9/18
80/20 + 63/18 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
80/20 = 80 × 9/20 × 9 = 720/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
63/18 = 63 × 10/18 × 10 = 630/180 - Add the two like fractions:
720/180 + 630/180 = 720 + 630/180 = 1350/180 - 1350/180 simplified gives 15/2
- So, 80/20 + 63/18 = 15/2
In mixed form: 71/2
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