Add 4/20 and 18/7
1st number: 4/20, 2nd number: 2 4/7
4/20 + 18/7 is 97/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
4/20 = 4 × 7/20 × 7 = 28/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
18/7 = 18 × 20/7 × 20 = 360/140 - Add the two like fractions:
28/140 + 360/140 = 28 + 360/140 = 388/140 - 388/140 simplified gives 97/35
- So, 4/20 + 18/7 = 97/35
In mixed form: 227/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+18/7 4/20+36/7 4/40+18/7 4/20+18/14 12/20+18/7 4/20+54/7 4/60+18/7 4/20+18/21 4/20+90/7 4/20+18/35 28/20+18/7 4/20+18/49