Add 30/4 and 10/15
1st number: 7 2/4, 2nd number: 10/15
30/4 + 10/15 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
10/15 = 10 × 4/15 × 4 = 40/60 - Add the two like fractions:
450/60 + 40/60 = 450 + 40/60 = 490/60 - 490/60 simplified gives 49/6
- So, 30/4 + 10/15 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+10/15 30/4+20/15 30/8+10/15 30/4+10/30 90/4+10/15 30/4+30/15 30/12+10/15 30/4+10/45 30/4+50/15 30/20+10/15 30/4+10/75 30/4+70/15 30/28+10/15