Add 45/10 and 30/7
1st number: 4 5/10, 2nd number: 4 2/7
45/10 + 30/7 is 123/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
45/10 = 45 × 7/10 × 7 = 315/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
30/7 = 30 × 10/7 × 10 = 300/70 - Add the two like fractions:
315/70 + 300/70 = 315 + 300/70 = 615/70 - 615/70 simplified gives 123/14
- So, 45/10 + 30/7 = 123/14
In mixed form: 811/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+30/7 45/10+60/7 45/20+30/7 45/10+30/14 45/10+90/7 45/30+30/7 45/10+30/21 45/50+30/7 45/10+30/35 45/70+30/7 45/10+30/49