Add 20/98 and 12/21
20/98 + 12/21 is 38/49.
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,
12/21 = 12 × 14/21 × 14 = 168/294 - Add the two like fractions:
60/294 + 168/294 = 60 + 168/294 = 228/294 - 228/294 simplified gives 38/49
- So, 20/98 + 12/21 = 38/49
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