Add 20/36 and 75/80
20/36 + 75/80 is 215/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
20/36 = 20 × 20/36 × 20 = 400/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
75/80 = 75 × 9/80 × 9 = 675/720 - Add the two like fractions:
400/720 + 675/720 = 400 + 675/720 = 1075/720 - 1075/720 simplified gives 215/144
- So, 20/36 + 75/80 = 215/144
In mixed form: 171/144
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