Add 18/90 and 60/80
18/90 + 60/80 is 19/20.
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,
18/90 = 18 × 8/90 × 8 = 144/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
60/80 = 60 × 9/80 × 9 = 540/720 - Add the two like fractions:
144/720 + 540/720 = 144 + 540/720 = 684/720 - 684/720 simplified gives 19/20
- So, 18/90 + 60/80 = 19/20
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