Add 9/42 and 21/49
9/42 + 21/49 is 9/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
9/42 = 9 × 7/42 × 7 = 63/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
21/49 = 21 × 6/49 × 6 = 126/294 - Add the two like fractions:
63/294 + 126/294 = 63 + 126/294 = 189/294 - 189/294 simplified gives 9/14
- So, 9/42 + 21/49 = 9/14
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