Add 70/7 and 50/9
1st number: 10 0/7, 2nd number: 5 5/9
70/7 + 50/9 is 140/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
70/7 = 70 × 9/7 × 9 = 630/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
50/9 = 50 × 7/9 × 7 = 350/63 - Add the two like fractions:
630/63 + 350/63 = 630 + 350/63 = 980/63 - 980/63 simplified gives 140/9
- So, 70/7 + 50/9 = 140/9
In mixed form: 155/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+50/9 70/7+50/18 70/21+50/9 70/7+50/27 70/35+50/9 70/7+50/45 70/49+50/9 70/7+50/63