Add 56/70 and 90/9
1st number: 56/70, 2nd number: 10 0/9
56/70 + 90/9 is 54/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
56/70 = 56 × 9/70 × 9 = 504/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
90/9 = 90 × 70/9 × 70 = 6300/630 - Add the two like fractions:
504/630 + 6300/630 = 504 + 6300/630 = 6804/630 - 6804/630 simplified gives 54/5
- So, 56/70 + 90/9 = 54/5
In mixed form: 104/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+90/18 56/70+90/27 56/70+90/45 56/70+90/63