Add 90/14 and 8/81
1st number: 6 6/14, 2nd number: 8/81
90/14 + 8/81 is 3701/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
90/14 = 90 × 81/14 × 81 = 7290/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
8/81 = 8 × 14/81 × 14 = 112/1134 - Add the two like fractions:
7290/1134 + 112/1134 = 7290 + 112/1134 = 7402/1134 - 7402/1134 simplified gives 3701/567
- So, 90/14 + 8/81 = 3701/567
In mixed form: 6299/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+16/81 90/28+8/81 90/14+24/81 90/42+8/81 90/14+40/81 90/70+8/81 90/14+56/81 90/98+8/81