Add 15/10 and 5/45
1st number: 1 5/10, 2nd number: 5/45
15/10 + 5/45 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
15/10 = 15 × 9/10 × 9 = 135/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Add the two like fractions:
135/90 + 10/90 = 135 + 10/90 = 145/90 - 145/90 simplified gives 29/18
- So, 15/10 + 5/45 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+5/45 15/10+10/45 15/20+5/45 15/10+5/90 45/10+5/45 15/10+15/45 15/30+5/45 75/10+5/45 15/10+25/45 15/50+5/45 15/10+35/45 15/70+5/45