Add 20/28 and 40/27
1st number: 20/28, 2nd number: 1 13/27
20/28 + 40/27 is 415/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
20/28 = 20 × 27/28 × 27 = 540/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
40/27 = 40 × 28/27 × 28 = 1120/756 - Add the two like fractions:
540/756 + 1120/756 = 540 + 1120/756 = 1660/756 - 1660/756 simplified gives 415/189
- So, 20/28 + 40/27 = 415/189
In mixed form: 237/189
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