Add 28/15 and 20/25
1st number: 1 13/15, 2nd number: 20/25
28/15 + 20/25 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
28/15 = 28 × 5/15 × 5 = 140/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
20/25 = 20 × 3/25 × 3 = 60/75 - Add the two like fractions:
140/75 + 60/75 = 140 + 60/75 = 200/75 - 200/75 simplified gives 8/3
- So, 28/15 + 20/25 = 8/3
In mixed form: 22/3
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