Add 75/4 and 70/45
1st number: 18 3/4, 2nd number: 1 25/45
75/4 + 70/45 is 731/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
75/4 = 75 × 45/4 × 45 = 3375/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Add the two like fractions:
3375/180 + 280/180 = 3375 + 280/180 = 3655/180 - 3655/180 simplified gives 731/36
- So, 75/4 + 70/45 = 731/36
In mixed form: 2011/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/8+70/45 75/4+70/90 75/12+70/45 75/20+70/45 75/28+70/45