Add 8/20 and 49/90
8/20 + 49/90 is 17/18.
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,
8/20 = 8 × 9/20 × 9 = 72/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
49/90 = 49 × 2/90 × 2 = 98/180 - Add the two like fractions:
72/180 + 98/180 = 72 + 98/180 = 170/180 - 170/180 simplified gives 17/18
- So, 8/20 + 49/90 = 17/18
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