Add 30/2 and 45/7
1st number: 15 0/2, 2nd number: 6 3/7
30/2 + 45/7 is 150/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
30/2 = 30 × 7/2 × 7 = 210/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
45/7 = 45 × 2/7 × 2 = 90/14 - Add the two like fractions:
210/14 + 90/14 = 210 + 90/14 = 300/14 - 300/14 simplified gives 150/7
- So, 30/2 + 45/7 = 150/7
In mixed form: 213/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+45/7 30/2+90/7 30/4+45/7 30/2+45/14 90/2+45/7 30/6+45/7 30/2+45/21 30/10+45/7 30/2+45/35 30/14+45/7 30/2+45/49