Add 14/7 and 90/9
1st number: 2 0/7, 2nd number: 10 0/9
14/7 + 90/9 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
14/7 = 14 × 9/7 × 9 = 126/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
90/9 = 90 × 7/9 × 7 = 630/63 - Add the two like fractions:
126/63 + 630/63 = 126 + 630/63 = 756/63 - 756/63 simplified gives 12/1
- So, 14/7 + 90/9 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7+90/9 14/7+90/18 42/7+90/9 14/21+90/9 14/7+90/27 70/7+90/9 14/35+90/9 14/7+90/45 98/7+90/9 14/49+90/9 14/7+90/63