Add 20/98 and 45/21
1st number: 20/98, 2nd number: 2 3/21
20/98 + 45/21 is 115/49.
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,
20/98 = 20 × 3/98 × 3 = 60/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
45/21 = 45 × 14/21 × 14 = 630/294 - Add the two like fractions:
60/294 + 630/294 = 60 + 630/294 = 690/294 - 690/294 simplified gives 115/49
- So, 20/98 + 45/21 = 115/49
In mixed form: 217/49
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