Add 4/10 and 45/30
1st number: 4/10, 2nd number: 1 15/30
4/10 + 45/30 is 19/10.
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,
4/10 = 4 × 3/10 × 3 = 12/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Add the two like fractions:
12/30 + 45/30 = 12 + 45/30 = 57/30 - 57/30 simplified gives 19/10
- So, 4/10 + 45/30 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+45/30 4/10+90/30 4/20+45/30 4/10+45/60 12/10+45/30 4/30+45/30 4/10+45/90 20/10+45/30 4/50+45/30 28/10+45/30 4/70+45/30