Add 1/90 and 49/70
1/90 + 49/70 is 32/45.
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,
1/90 = 1 × 7/90 × 7 = 7/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630 - Add the two like fractions:
7/630 + 441/630 = 7 + 441/630 = 448/630 - 448/630 simplified gives 32/45
- So, 1/90 + 49/70 = 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+49/70 1/90+98/70 3/90+49/70 5/90+49/70 7/90+49/70