Add 18/42 and 21/98
18/42 + 21/98 is 9/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
18/42 = 18 × 7/42 × 7 = 126/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294 - Add the two like fractions:
126/294 + 63/294 = 126 + 63/294 = 189/294 - 189/294 simplified gives 9/14
- So, 18/42 + 21/98 = 9/14
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