Add 63/98 and 81/21
1st number: 63/98, 2nd number: 3 18/21
63/98 + 81/21 is 9/2.
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,
63/98 = 63 × 3/98 × 3 = 189/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
81/21 = 81 × 14/21 × 14 = 1134/294 - Add the two like fractions:
189/294 + 1134/294 = 189 + 1134/294 = 1323/294 - 1323/294 simplified gives 9/2
- So, 63/98 + 81/21 = 9/2
In mixed form: 41/2
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