Add 40/10 and 10/8
1st number: 4 0/10, 2nd number: 1 2/8
40/10 + 10/8 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
40/10 = 40 × 4/10 × 4 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
10/8 = 10 × 5/8 × 5 = 50/40 - Add the two like fractions:
160/40 + 50/40 = 160 + 50/40 = 210/40 - 210/40 simplified gives 21/4
- So, 40/10 + 10/8 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+10/8 40/10+20/8 40/20+10/8 40/10+10/16 40/10+30/8 40/30+10/8 40/10+10/24 40/10+50/8 40/50+10/8 40/10+10/40 40/10+70/8 40/70+10/8 40/10+10/56