Add 7/98 and 80/21
1st number: 7/98, 2nd number: 3 17/21
7/98 + 80/21 is 163/42.
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,
7/98 = 7 × 3/98 × 3 = 21/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
80/21 = 80 × 14/21 × 14 = 1120/294 - Add the two like fractions:
21/294 + 1120/294 = 21 + 1120/294 = 1141/294 - 1141/294 simplified gives 163/42
- So, 7/98 + 80/21 = 163/42
In mixed form: 337/42
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