Add 90/28 and 27/35
1st number: 3 6/28, 2nd number: 27/35
90/28 + 27/35 is 279/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
27/35 = 27 × 4/35 × 4 = 108/140 - Add the two like fractions:
450/140 + 108/140 = 450 + 108/140 = 558/140 - 558/140 simplified gives 279/70
- So, 90/28 + 27/35 = 279/70
In mixed form: 369/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+54/35 90/56+27/35 90/28+27/70 90/28+81/35 90/84+27/35