Add 45/10 and 75/70
1st number: 4 5/10, 2nd number: 1 5/70
45/10 + 75/70 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 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 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Add the two like fractions:
315/70 + 75/70 = 315 + 75/70 = 390/70 - 390/70 simplified gives 39/7
- So, 45/10 + 75/70 = 39/7
In mixed form: 54/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+75/70 45/20+75/70 45/30+75/70 45/50+75/70 45/70+75/70