Add 7/2 and 45/15
1st number: 3 1/2, 2nd number: 3 0/15
7/2 + 45/15 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
7/2 = 7 × 15/2 × 15 = 105/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
45/15 = 45 × 2/15 × 2 = 90/30 - Add the two like fractions:
105/30 + 90/30 = 105 + 90/30 = 195/30 - 195/30 simplified gives 13/2
- So, 7/2 + 45/15 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+45/15 7/2+90/15 7/4+45/15 7/2+45/30 21/2+45/15 7/6+45/15 35/2+45/15 7/10+45/15 7/2+45/75 49/2+45/15 7/14+45/15