Add 9/90 and 42/35
1st number: 9/90, 2nd number: 1 7/35
9/90 + 42/35 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Add the two like fractions:
63/630 + 756/630 = 63 + 756/630 = 819/630 - 819/630 simplified gives 13/10
- So, 9/90 + 42/35 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+42/35 9/90+84/35 9/90+42/70 27/90+42/35 45/90+42/35 63/90+42/35