Add 28/15 and 18/20
1st number: 1 13/15, 2nd number: 18/20
28/15 + 18/20 is 83/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
112/60 + 54/60 = 112 + 54/60 = 166/60 - 166/60 simplified gives 83/30
- So, 28/15 + 18/20 = 83/30
In mixed form: 223/30
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