Add 90/14 and 30/7
1st number: 6 6/14, 2nd number: 4 2/7
90/14 + 30/7 is 75/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
90/14 = 90 × 1/14 × 1 = 90/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
30/7 = 30 × 2/7 × 2 = 60/14 - Add the two like fractions:
90/14 + 60/14 = 90 + 60/14 = 150/14 - 150/14 simplified gives 75/7
- So, 90/14 + 30/7 = 75/7
In mixed form: 105/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+60/7 90/28+30/7 90/14+30/14 90/14+90/7 90/42+30/7 90/14+30/21 90/70+30/7 90/14+30/35 90/98+30/7 90/14+30/49