Add 70/9 and 8/40
1st number: 7 7/9, 2nd number: 8/40
70/9 + 8/40 is 359/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
70/9 = 70 × 40/9 × 40 = 2800/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Add the two like fractions:
2800/360 + 72/360 = 2800 + 72/360 = 2872/360 - 2872/360 simplified gives 359/45
- So, 70/9 + 8/40 = 359/45
In mixed form: 744/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+16/40 70/18+8/40 70/9+8/80 70/9+24/40 70/27+8/40 70/45+8/40 70/9+56/40 70/63+8/40