Add 70/7 and 54/45
1st number: 10 0/7, 2nd number: 1 9/45
70/7 + 54/45 is 56/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
70/7 = 70 × 45/7 × 45 = 3150/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
54/45 = 54 × 7/45 × 7 = 378/315 - Add the two like fractions:
3150/315 + 378/315 = 3150 + 378/315 = 3528/315 - 3528/315 simplified gives 56/5
- So, 70/7 + 54/45 = 56/5
In mixed form: 111/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+54/45 70/7+54/90 70/21+54/45 70/35+54/45 70/49+54/45