Add 10/42 and 70/98
10/42 + 70/98 is 20/21.
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,
10/42 = 10 × 7/42 × 7 = 70/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
70/98 = 70 × 3/98 × 3 = 210/294 - Add the two like fractions:
70/294 + 210/294 = 70 + 210/294 = 280/294 - 280/294 simplified gives 20/21
- So, 10/42 + 70/98 = 20/21
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