Add 12/80 and 60/90
12/80 + 60/90 is 49/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
12/80 = 12 × 9/80 × 9 = 108/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
60/90 = 60 × 8/90 × 8 = 480/720 - Add the two like fractions:
108/720 + 480/720 = 108 + 480/720 = 588/720 - 588/720 simplified gives 49/60
- So, 12/80 + 60/90 = 49/60
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