Add 28/18 and 20/42
1st number: 1 10/18, 2nd number: 20/42
28/18 + 20/42 is 128/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
20/42 = 20 × 3/42 × 3 = 60/126 - Add the two like fractions:
196/126 + 60/126 = 196 + 60/126 = 256/126 - 256/126 simplified gives 128/63
- So, 28/18 + 20/42 = 128/63
In mixed form: 22/63
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