Add 3/20 and 80/90
3/20 + 80/90 is 187/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
80/90 = 80 × 2/90 × 2 = 160/180 - Add the two like fractions:
27/180 + 160/180 = 27 + 160/180 = 187/180 - So, 3/20 + 80/90 = 187/180
In mixed form: 17/180
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