Add 45/10 and 18/15
1st number: 4 5/10, 2nd number: 1 3/15
45/10 + 18/15 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
45/10 = 45 × 3/10 × 3 = 135/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
18/15 = 18 × 2/15 × 2 = 36/30 - Add the two like fractions:
135/30 + 36/30 = 135 + 36/30 = 171/30 - 171/30 simplified gives 57/10
- So, 45/10 + 18/15 = 57/10
In mixed form: 57/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+18/15 45/10+36/15 45/20+18/15 45/10+18/30 45/10+54/15 45/30+18/15 45/10+18/45 45/10+90/15 45/50+18/15 45/10+18/75 45/70+18/15