Add 5/20 and 30/7
1st number: 5/20, 2nd number: 4 2/7
5/20 + 30/7 is 127/28.
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,
5/20 = 5 × 7/20 × 7 = 35/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
30/7 = 30 × 20/7 × 20 = 600/140 - Add the two like fractions:
35/140 + 600/140 = 35 + 600/140 = 635/140 - 635/140 simplified gives 127/28
- So, 5/20 + 30/7 = 127/28
In mixed form: 415/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+30/7 5/20+60/7 5/40+30/7 5/20+30/14 15/20+30/7 5/20+90/7 5/60+30/7 5/20+30/21 25/20+30/7 5/20+30/35 35/20+30/7 5/20+30/49