Add 40/28 and 20/3
1st number: 1 12/28, 2nd number: 6 2/3
40/28 + 20/3 is 170/21.
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,
40/28 = 40 × 3/28 × 3 = 120/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
20/3 = 20 × 28/3 × 28 = 560/84 - Add the two like fractions:
120/84 + 560/84 = 120 + 560/84 = 680/84 - 680/84 simplified gives 170/21
- So, 40/28 + 20/3 = 170/21
In mixed form: 82/21
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