Add 75/9 and 10/40
1st number: 8 3/9, 2nd number: 10/40
75/9 + 10/40 is 103/12.
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,
75/9 = 75 × 40/9 × 40 = 3000/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Add the two like fractions:
3000/360 + 90/360 = 3000 + 90/360 = 3090/360 - 3090/360 simplified gives 103/12
- So, 75/9 + 10/40 = 103/12
In mixed form: 87/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9+20/40 75/18+10/40 75/9+10/80 75/9+30/40 75/27+10/40 75/9+50/40 75/45+10/40 75/9+70/40 75/63+10/40