Add 1/20 and 90/35
1st number: 1/20, 2nd number: 2 20/35
1/20 + 90/35 is 367/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
1/20 = 1 × 7/20 × 7 = 7/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
90/35 = 90 × 4/35 × 4 = 360/140 - Add the two like fractions:
7/140 + 360/140 = 7 + 360/140 = 367/140 - So, 1/20 + 90/35 = 367/140
In mixed form: 287/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+90/35 1/40+90/35 1/20+90/70 3/20+90/35 1/60+90/35 5/20+90/35 7/20+90/35