Add 70/21 and 81/98
1st number: 3 7/21, 2nd number: 81/98
70/21 + 81/98 is 1223/294.
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,
70/21 = 70 × 14/21 × 14 = 980/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
81/98 = 81 × 3/98 × 3 = 243/294 - Add the two like fractions:
980/294 + 243/294 = 980 + 243/294 = 1223/294 - So, 70/21 + 81/98 = 1223/294
In mixed form: 447/294
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