Add 70/20 and 28/5
1st number: 3 10/20, 2nd number: 5 3/5
70/20 + 28/5 is 91/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Add the two like fractions:
70/20 + 112/20 = 70 + 112/20 = 182/20 - 182/20 simplified gives 91/10
- So, 70/20 + 28/5 = 91/10
In mixed form: 91/10
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