Add 30/10 and 30/40
1st number: 3 0/10, 2nd number: 30/40
30/10 + 30/40 is 15/4.
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,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
120/40 + 30/40 = 120 + 30/40 = 150/40 - 150/40 simplified gives 15/4
- So, 30/10 + 30/40 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+30/40 30/10+60/40 30/20+30/40 30/10+30/80 90/10+30/40 30/10+90/40 30/50+30/40 30/70+30/40