Add 3/81 and 42/98
3/81 + 42/98 is 88/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 98 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 81 × 98 = 7938,
3/81 = 3 × 98/81 × 98 = 294/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
42/98 = 42 × 81/98 × 81 = 3402/7938 - Add the two like fractions:
294/7938 + 3402/7938 = 294 + 3402/7938 = 3696/7938 - 3696/7938 simplified gives 88/189
- So, 3/81 + 42/98 = 88/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/81+42/98 3/81+84/98 9/81+42/98 15/81+42/98 21/81+42/98