Add 21/75 and 2/42
21/75 + 2/42 is 172/525.
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,
21/75 = 21 × 14/75 × 14 = 294/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
2/42 = 2 × 25/42 × 25 = 50/1050 - Add the two like fractions:
294/1050 + 50/1050 = 294 + 50/1050 = 344/1050 - 344/1050 simplified gives 172/525
- So, 21/75 + 2/42 = 172/525
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