Add 20/15 and 28/45
1st number: 1 5/15, 2nd number: 28/45
20/15 + 28/45 is 88/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
20/15 = 20 × 3/15 × 3 = 60/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Add the two like fractions:
60/45 + 28/45 = 60 + 28/45 = 88/45 - So, 20/15 + 28/45 = 88/45
In mixed form: 143/45
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