Add 20/45 and 35/36
20/45 + 35/36 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
35/36 = 35 × 5/36 × 5 = 175/180 - Add the two like fractions:
80/180 + 175/180 = 80 + 175/180 = 255/180 - 255/180 simplified gives 17/12
- So, 20/45 + 35/36 = 17/12
In mixed form: 15/12
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