Add 20/21 and 45/98
20/21 + 45/98 is 415/294.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
20/21 = 20 × 14/21 × 14 = 280/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
45/98 = 45 × 3/98 × 3 = 135/294 - Add the two like fractions:
280/294 + 135/294 = 280 + 135/294 = 415/294 - So, 20/21 + 45/98 = 415/294
In mixed form: 1121/294
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