Add 40/28 and 90/54
1st number: 1 12/28, 2nd number: 1 36/54
40/28 + 90/54 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
40/28 = 40 × 27/28 × 27 = 1080/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
90/54 = 90 × 14/54 × 14 = 1260/756 - Add the two like fractions:
1080/756 + 1260/756 = 1080 + 1260/756 = 2340/756 - 2340/756 simplified gives 65/21
- So, 40/28 + 90/54 = 65/21
In mixed form: 32/21
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