Add 9/90 and 20/80
9/90 + 20/80 is 7/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
9/90 = 9 × 8/90 × 8 = 72/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Add the two like fractions:
72/720 + 180/720 = 72 + 180/720 = 252/720 - 252/720 simplified gives 7/20
- So, 9/90 + 20/80 = 7/20
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