Add 1/20 and 7/18
1/20 + 7/18 is 79/180.
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,
1/20 = 1 × 9/20 × 9 = 9/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
7/18 = 7 × 10/18 × 10 = 70/180 - Add the two like fractions:
9/180 + 70/180 = 9 + 70/180 = 79/180 - So, 1/20 + 7/18 = 79/180
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