Add 7/42 and 81/98
7/42 + 81/98 is 146/147.
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,
7/42 = 7 × 7/42 × 7 = 49/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
81/98 = 81 × 3/98 × 3 = 243/294 - Add the two like fractions:
49/294 + 243/294 = 49 + 243/294 = 292/294 - 292/294 simplified gives 146/147
- So, 7/42 + 81/98 = 146/147
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