Add 45/20 and 9/35
1st number: 2 5/20, 2nd number: 9/35
45/20 + 9/35 is 351/140.
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,
45/20 = 45 × 7/20 × 7 = 315/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
9/35 = 9 × 4/35 × 4 = 36/140 - Add the two like fractions:
315/140 + 36/140 = 315 + 36/140 = 351/140 - So, 45/20 + 9/35 = 351/140
In mixed form: 271/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+9/35 45/20+18/35 45/40+9/35 45/20+9/70 45/20+27/35 45/60+9/35 45/20+45/35 45/20+63/35