Add 28/36 and 70/20
1st number: 28/36, 2nd number: 3 10/20
28/36 + 70/20 is 77/18.
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,
28/36 = 28 × 5/36 × 5 = 140/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Add the two like fractions:
140/180 + 630/180 = 140 + 630/180 = 770/180 - 770/180 simplified gives 77/18
- So, 28/36 + 70/20 = 77/18
In mixed form: 45/18
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