Add 45/98 and 18/21
45/98 + 18/21 is 129/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
45/98 = 45 × 3/98 × 3 = 135/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
18/21 = 18 × 14/21 × 14 = 252/294 - Add the two like fractions:
135/294 + 252/294 = 135 + 252/294 = 387/294 - 387/294 simplified gives 129/98
- So, 45/98 + 18/21 = 129/98
In mixed form: 131/98
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