Add 25/75 and 18/42
25/75 + 18/42 is 16/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
25/75 = 25 × 14/75 × 14 = 350/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
18/42 = 18 × 25/42 × 25 = 450/1050 - Add the two like fractions:
350/1050 + 450/1050 = 350 + 450/1050 = 800/1050 - 800/1050 simplified gives 16/21
- So, 25/75 + 18/42 = 16/21
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