Add 20/28 and 70/3
1st number: 20/28, 2nd number: 23 1/3
20/28 + 70/3 is 505/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
70/3 = 70 × 28/3 × 28 = 1960/84 - Add the two like fractions:
60/84 + 1960/84 = 60 + 1960/84 = 2020/84 - 2020/84 simplified gives 505/21
- So, 20/28 + 70/3 = 505/21
In mixed form: 241/21
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