Add 7/90 and 40/35
1st number: 7/90, 2nd number: 1 5/35
7/90 + 40/35 is 769/630.
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,
7/90 = 7 × 7/90 × 7 = 49/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
40/35 = 40 × 18/35 × 18 = 720/630 - Add the two like fractions:
49/630 + 720/630 = 49 + 720/630 = 769/630 - So, 7/90 + 40/35 = 769/630
In mixed form: 1139/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+40/35 7/90+80/35 7/90+40/70 21/90+40/35 35/90+40/35 49/90+40/35