Add 28/56 and 90/18
1st number: 28/56, 2nd number: 5 0/18
28/56 + 90/18 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
28/56 = 28 × 9/56 × 9 = 252/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
90/18 = 90 × 28/18 × 28 = 2520/504 - Add the two like fractions:
252/504 + 2520/504 = 252 + 2520/504 = 2772/504 - 2772/504 simplified gives 11/2
- So, 28/56 + 90/18 = 11/2
In mixed form: 51/2
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