Add 90/14 and 30/35
1st number: 6 6/14, 2nd number: 30/35
90/14 + 30/35 is 51/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
90/14 = 90 × 5/14 × 5 = 450/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
30/35 = 30 × 2/35 × 2 = 60/70 - Add the two like fractions:
450/70 + 60/70 = 450 + 60/70 = 510/70 - 510/70 simplified gives 51/7
- So, 90/14 + 30/35 = 51/7
In mixed form: 72/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+60/35 90/28+30/35 90/14+30/70 90/14+90/35 90/42+30/35 90/70+30/35 90/98+30/35