Add 90/35 and 42/14
1st number: 2 20/35, 2nd number: 3 0/14
90/35 + 42/14 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
90/35 = 90 × 2/35 × 2 = 180/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
42/14 = 42 × 5/14 × 5 = 210/70 - Add the two like fractions:
180/70 + 210/70 = 180 + 210/70 = 390/70 - 390/70 simplified gives 39/7
- So, 90/35 + 42/14 = 39/7
In mixed form: 54/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+84/14 90/70+42/14 90/35+42/28 90/35+42/70 90/35+42/98