Add 60/70 and 90/9
1st number: 60/70, 2nd number: 10 0/9
60/70 + 90/9 is 76/7.
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,
60/70 = 60 × 9/70 × 9 = 540/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
90/9 = 90 × 70/9 × 70 = 6300/630 - Add the two like fractions:
540/630 + 6300/630 = 540 + 6300/630 = 6840/630 - 6840/630 simplified gives 76/7
- So, 60/70 + 90/9 = 76/7
In mixed form: 106/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+90/18 60/70+90/27 60/70+90/45 60/70+90/63