Add 70/36 and 30/20
1st number: 1 34/36, 2nd number: 1 10/20
70/36 + 30/20 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Add the two like fractions:
350/180 + 270/180 = 350 + 270/180 = 620/180 - 620/180 simplified gives 31/9
- So, 70/36 + 30/20 = 31/9
In mixed form: 34/9
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