Add 45/27 and 4/20
1st number: 1 18/27, 2nd number: 4/20
45/27 + 4/20 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
45/27 = 45 × 20/27 × 20 = 900/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
4/20 = 4 × 27/20 × 27 = 108/540 - Add the two like fractions:
900/540 + 108/540 = 900 + 108/540 = 1008/540 - 1008/540 simplified gives 28/15
- So, 45/27 + 4/20 = 28/15
In mixed form: 113/15
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