Add 45/54 and 20/28
45/54 + 20/28 is 65/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
45/54 = 45 × 14/54 × 14 = 630/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
20/28 = 20 × 27/28 × 27 = 540/756 - Add the two like fractions:
630/756 + 540/756 = 630 + 540/756 = 1170/756 - 1170/756 simplified gives 65/42
- So, 45/54 + 20/28 = 65/42
In mixed form: 123/42
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