Add 70/45 and 75/7
1st number: 1 25/45, 2nd number: 10 5/7
70/45 + 75/7 is 773/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
75/7 = 75 × 45/7 × 45 = 3375/315 - Add the two like fractions:
490/315 + 3375/315 = 490 + 3375/315 = 3865/315 - 3865/315 simplified gives 773/63
- So, 70/45 + 75/7 = 773/63
In mixed form: 1217/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+75/7 70/45+75/14 70/45+75/21 70/45+75/35 70/45+75/49