Add 7/18 and 10/20
7/18 + 10/20 is 8/9.
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,
7/18 = 7 × 10/18 × 10 = 70/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Add the two like fractions:
70/180 + 90/180 = 70 + 90/180 = 160/180 - 160/180 simplified gives 8/9
- So, 7/18 + 10/20 = 8/9
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