Add 81/18 and 50/20
1st number: 4 9/18, 2nd number: 2 10/20
81/18 + 50/20 is 7/1.
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,
81/18 = 81 × 10/18 × 10 = 810/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
50/20 = 50 × 9/20 × 9 = 450/180 - Add the two like fractions:
810/180 + 450/180 = 810 + 450/180 = 1260/180 - 1260/180 simplified gives 7/1
- So, 81/18 + 50/20 = 7/1
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