Add 70/20 and 36/9
1st number: 3 10/20, 2nd number: 4 0/9
70/20 + 36/9 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
36/9 = 36 × 20/9 × 20 = 720/180 - Add the two like fractions:
630/180 + 720/180 = 630 + 720/180 = 1350/180 - 1350/180 simplified gives 15/2
- So, 70/20 + 36/9 = 15/2
In mixed form: 71/2
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