Add 35/20 and 10/45
1st number: 1 15/20, 2nd number: 10/45
35/20 + 10/45 is 71/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180 - Add the two like fractions:
315/180 + 40/180 = 315 + 40/180 = 355/180 - 355/180 simplified gives 71/36
- So, 35/20 + 10/45 = 71/36
In mixed form: 135/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+10/45 35/20+20/45 35/40+10/45 35/20+10/90 35/20+30/45 35/60+10/45 35/20+50/45 35/20+70/45