Add 7/5 and 15/90
1st number: 1 2/5, 2nd number: 15/90
7/5 + 15/90 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
7/5 = 7 × 18/5 × 18 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
126/90 + 15/90 = 126 + 15/90 = 141/90 - 141/90 simplified gives 47/30
- So, 7/5 + 15/90 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+15/90 7/5+30/90 7/10+15/90 21/5+15/90 7/5+45/90 7/15+15/90 35/5+15/90 7/5+75/90 7/25+15/90 49/5+15/90 7/35+15/90