Add 30/15 and 10/7
1st number: 2 0/15, 2nd number: 1 3/7
30/15 + 10/7 is 24/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
30/15 = 30 × 7/15 × 7 = 210/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
10/7 = 10 × 15/7 × 15 = 150/105 - Add the two like fractions:
210/105 + 150/105 = 210 + 150/105 = 360/105 - 360/105 simplified gives 24/7
- So, 30/15 + 10/7 = 24/7
In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+10/7 30/15+20/7 30/15+10/14 90/15+10/7 30/15+30/7 30/45+10/7 30/15+10/21 30/15+50/7 30/75+10/7 30/15+10/35 30/15+70/7 30/15+10/49