Add 90/8 and 84/14
1st number: 11 2/8, 2nd number: 6 0/14
90/8 + 84/14 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
90/8 = 90 × 7/8 × 7 = 630/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
84/14 = 84 × 4/14 × 4 = 336/56 - Add the two like fractions:
630/56 + 336/56 = 630 + 336/56 = 966/56 - 966/56 simplified gives 69/4
- So, 90/8 + 84/14 = 69/4
In mixed form: 171/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+84/14 90/8+84/28 90/24+84/14 90/8+84/42 90/40+84/14 90/8+84/70 90/56+84/14 90/8+84/98