Add 75/42 and 20/28
1st number: 1 33/42, 2nd number: 20/28
75/42 + 20/28 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
75/42 = 75 × 2/42 × 2 = 150/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84 - Add the two like fractions:
150/84 + 60/84 = 150 + 60/84 = 210/84 - 210/84 simplified gives 5/2
- So, 75/42 + 20/28 = 5/2
In mixed form: 21/2
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