Add 70/98 and 9/21
70/98 + 9/21 is 8/7.
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,
70/98 = 70 × 3/98 × 3 = 210/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
9/21 = 9 × 14/21 × 14 = 126/294 - Add the two like fractions:
210/294 + 126/294 = 210 + 126/294 = 336/294 - 336/294 simplified gives 8/7
- So, 70/98 + 9/21 = 8/7
In mixed form: 11/7
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