Add 7/90 and 35/70
7/90 + 35/70 is 26/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 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 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630 - Add the two like fractions:
49/630 + 315/630 = 49 + 315/630 = 364/630 - 364/630 simplified gives 26/45
- So, 7/90 + 35/70 = 26/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+35/70 21/90+35/70 35/90+35/70 49/90+35/70