Add 7/2 and 8/20
1st number: 3 1/2, 2nd number: 8/20
7/2 + 8/20 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
7/2 = 7 × 10/2 × 10 = 70/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
8/20 = 8 × 1/20 × 1 = 8/20 - Add the two like fractions:
70/20 + 8/20 = 70 + 8/20 = 78/20 - 78/20 simplified gives 39/10
- So, 7/2 + 8/20 = 39/10
In mixed form: 39/10
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