Add 20/4 and 30/35
1st number: 5 0/4, 2nd number: 30/35
20/4 + 30/35 is 41/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
20/4 = 20 × 35/4 × 35 = 700/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
30/35 = 30 × 4/35 × 4 = 120/140 - Add the two like fractions:
700/140 + 120/140 = 700 + 120/140 = 820/140 - 820/140 simplified gives 41/7
- So, 20/4 + 30/35 = 41/7
In mixed form: 56/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+30/35 20/4+60/35 20/8+30/35 20/4+30/70 60/4+30/35 20/4+90/35 20/12+30/35 20/28+30/35