Add 15/36 and 45/28
1st number: 15/36, 2nd number: 1 17/28
15/36 + 45/28 is 85/42.
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,
15/36 = 15 × 7/36 × 7 = 105/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Add the two like fractions:
105/252 + 405/252 = 105 + 405/252 = 510/252 - 510/252 simplified gives 85/42
- So, 15/36 + 45/28 = 85/42
In mixed form: 21/42
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