Add 28/42 and 20/50
28/42 + 20/50 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
28/42 = 28 × 25/42 × 25 = 700/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
20/50 = 20 × 21/50 × 21 = 420/1050 - Add the two like fractions:
700/1050 + 420/1050 = 700 + 420/1050 = 1120/1050 - 1120/1050 simplified gives 16/15
- So, 28/42 + 20/50 = 16/15
In mixed form: 11/15
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