Add 90/27 and 45/28
1st number: 3 9/27, 2nd number: 1 17/28
90/27 + 45/28 is 415/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
90/27 = 90 × 28/27 × 28 = 2520/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
45/28 = 45 × 27/28 × 27 = 1215/756 - Add the two like fractions:
2520/756 + 1215/756 = 2520 + 1215/756 = 3735/756 - 3735/756 simplified gives 415/84
- So, 90/27 + 45/28 = 415/84
In mixed form: 479/84
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