Add 28/80 and 18/36
28/80 + 18/36 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
18/36 = 18 × 20/36 × 20 = 360/720 - Add the two like fractions:
252/720 + 360/720 = 252 + 360/720 = 612/720 - 612/720 simplified gives 17/20
- So, 28/80 + 18/36 = 17/20
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