Add 4/10 and 30/4
1st number: 4/10, 2nd number: 7 2/4
4/10 + 30/4 is 79/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
4/10 = 4 × 2/10 × 2 = 8/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Add the two like fractions:
8/20 + 150/20 = 8 + 150/20 = 158/20 - 158/20 simplified gives 79/10
- So, 4/10 + 30/4 = 79/10
In mixed form: 79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+30/4 4/10+60/4 4/20+30/4 4/10+30/8 12/10+30/4 4/10+90/4 4/30+30/4 4/10+30/12 20/10+30/4 4/50+30/4 4/10+30/20 28/10+30/4 4/70+30/4 4/10+30/28