Add 45/20 and 28/45
1st number: 2 5/20, 2nd number: 28/45
45/20 + 28/45 is 517/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
45/20 = 45 × 9/20 × 9 = 405/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Add the two like fractions:
405/180 + 112/180 = 405 + 112/180 = 517/180 - So, 45/20 + 28/45 = 517/180
In mixed form: 2157/180
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