Add 45/15 and 5/10
1st number: 3 0/15, 2nd number: 5/10
45/15 + 5/10 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
45/15 = 45 × 2/15 × 2 = 90/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
5/10 = 5 × 3/10 × 3 = 15/30 - Add the two like fractions:
90/30 + 15/30 = 90 + 15/30 = 105/30 - 105/30 simplified gives 7/2
- So, 45/15 + 5/10 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+5/10 45/30+5/10 45/15+5/20 45/15+15/10 45/15+5/30 45/15+25/10 45/75+5/10 45/15+5/50 45/15+35/10 45/15+5/70