Add 15/2 and 45/10
1st number: 7 1/2, 2nd number: 4 5/10
15/2 + 45/10 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
15/2 = 15 × 5/2 × 5 = 75/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
45/10 = 45 × 1/10 × 1 = 45/10 - Add the two like fractions:
75/10 + 45/10 = 75 + 45/10 = 120/10 - 120/10 simplified gives 12/1
- So, 15/2 + 45/10 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+45/10 15/2+90/10 15/4+45/10 15/2+45/20 45/2+45/10 15/6+45/10 15/2+45/30 75/2+45/10 15/10+45/10 15/2+45/50 15/14+45/10 15/2+45/70