Add 30/20 and 10/7
1st number: 1 10/20, 2nd number: 1 3/7
30/20 + 10/7 is 41/14.
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,
30/20 = 30 × 7/20 × 7 = 210/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
10/7 = 10 × 20/7 × 20 = 200/140 - Add the two like fractions:
210/140 + 200/140 = 210 + 200/140 = 410/140 - 410/140 simplified gives 41/14
- So, 30/20 + 10/7 = 41/14
In mixed form: 213/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+10/7 30/20+20/7 30/40+10/7 30/20+10/14 90/20+10/7 30/20+30/7 30/60+10/7 30/20+10/21 30/20+50/7 30/20+10/35 30/20+70/7 30/20+10/49