Add 20/36 and 35/40
20/36 + 35/40 is 103/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
20/36 = 20 × 10/36 × 10 = 200/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
35/40 = 35 × 9/40 × 9 = 315/360 - Add the two like fractions:
200/360 + 315/360 = 200 + 315/360 = 515/360 - 515/360 simplified gives 103/72
- So, 20/36 + 35/40 = 103/72
In mixed form: 131/72
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