Add 18/42 and 21/75
18/42 + 21/75 is 124/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
18/42 = 18 × 25/42 × 25 = 450/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
21/75 = 21 × 14/75 × 14 = 294/1050 - Add the two like fractions:
450/1050 + 294/1050 = 450 + 294/1050 = 744/1050 - 744/1050 simplified gives 124/175
- So, 18/42 + 21/75 = 124/175
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