Add 70/45 and 75/10
1st number: 1 25/45, 2nd number: 7 5/10
70/45 + 75/10 is 163/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
75/10 = 75 × 9/10 × 9 = 675/90 - Add the two like fractions:
140/90 + 675/90 = 140 + 675/90 = 815/90 - 815/90 simplified gives 163/18
- So, 70/45 + 75/10 = 163/18
In mixed form: 91/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+75/10 70/45+75/20 70/45+75/30 70/45+75/50 70/45+75/70