Add 16/20 and 1/18
16/20 + 1/18 is 77/90.
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,
16/20 = 16 × 9/20 × 9 = 144/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
1/18 = 1 × 10/18 × 10 = 10/180 - Add the two like fractions:
144/180 + 10/180 = 144 + 10/180 = 154/180 - 154/180 simplified gives 77/90
- So, 16/20 + 1/18 = 77/90
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