Add 45/28 and 80/18
1st number: 1 17/28, 2nd number: 4 8/18
45/28 + 80/18 is 1525/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
80/18 = 80 × 14/18 × 14 = 1120/252 - Add the two like fractions:
405/252 + 1120/252 = 405 + 1120/252 = 1525/252 - So, 45/28 + 80/18 = 1525/252
In mixed form: 613/252
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