Add 45/80 and 25/18
1st number: 45/80, 2nd number: 1 7/18
45/80 + 25/18 is 281/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
25/18 = 25 × 40/18 × 40 = 1000/720 - Add the two like fractions:
405/720 + 1000/720 = 405 + 1000/720 = 1405/720 - 1405/720 simplified gives 281/144
- So, 45/80 + 25/18 = 281/144
In mixed form: 1137/144
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