Add 4/28 and 90/35
1st number: 4/28, 2nd number: 2 20/35
4/28 + 90/35 is 19/7.
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,
4/28 = 4 × 5/28 × 5 = 20/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
90/35 = 90 × 4/35 × 4 = 360/140 - Add the two like fractions:
20/140 + 360/140 = 20 + 360/140 = 380/140 - 380/140 simplified gives 19/7
- So, 4/28 + 90/35 = 19/7
In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+90/35 4/56+90/35 4/28+90/70 12/28+90/35 4/84+90/35 20/28+90/35