Add 20/42 and 70/98
20/42 + 70/98 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
20/42 = 20 × 7/42 × 7 = 140/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
70/98 = 70 × 3/98 × 3 = 210/294 - Add the two like fractions:
140/294 + 210/294 = 140 + 210/294 = 350/294 - 350/294 simplified gives 25/21
- So, 20/42 + 70/98 = 25/21
In mixed form: 14/21
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