Add 10/18 and 6/20
10/18 + 6/20 is 77/90.
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,
10/18 = 10 × 10/18 × 10 = 100/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
6/20 = 6 × 9/20 × 9 = 54/180 - Add the two like fractions:
100/180 + 54/180 = 100 + 54/180 = 154/180 - 154/180 simplified gives 77/90
- So, 10/18 + 6/20 = 77/90
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