Add 90/36 and 45/28
1st number: 2 18/36, 2nd number: 1 17/28
90/36 + 45/28 is 115/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Add the two like fractions:
630/252 + 405/252 = 630 + 405/252 = 1035/252 - 1035/252 simplified gives 115/28
- So, 90/36 + 45/28 = 115/28
In mixed form: 43/28
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