Add 15/42 and 7/98
15/42 + 7/98 is 3/7.
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,
15/42 = 15 × 7/42 × 7 = 105/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
7/98 = 7 × 3/98 × 3 = 21/294 - Add the two like fractions:
105/294 + 21/294 = 105 + 21/294 = 126/294 - 126/294 simplified gives 3/7
- So, 15/42 + 7/98 = 3/7
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