Add 40/10 and 8/30
1st number: 4 0/10, 2nd number: 8/30
40/10 + 8/30 is 64/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
40/10 = 40 × 3/10 × 3 = 120/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
8/30 = 8 × 1/30 × 1 = 8/30 - Add the two like fractions:
120/30 + 8/30 = 120 + 8/30 = 128/30 - 128/30 simplified gives 64/15
- So, 40/10 + 8/30 = 64/15
In mixed form: 44/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+8/30 40/10+16/30 40/20+8/30 40/10+8/60 40/10+24/30 40/30+8/30 40/10+8/90 40/10+40/30 40/50+8/30 40/10+56/30 40/70+8/30