Add 30/10 and 4/40
1st number: 3 0/10, 2nd number: 4/40
30/10 + 4/40 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
4/40 = 4 × 1/40 × 1 = 4/40 - Add the two like fractions:
120/40 + 4/40 = 120 + 4/40 = 124/40 - 124/40 simplified gives 31/10
- So, 30/10 + 4/40 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+4/40 30/10+8/40 30/20+4/40 30/10+4/80 90/10+4/40 30/10+12/40 30/10+20/40 30/50+4/40 30/10+28/40 30/70+4/40