Add 35/20 and 7/45
1st number: 1 15/20, 2nd number: 7/45
35/20 + 7/45 is 343/180.
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,
7/45 = 7 × 4/45 × 4 = 28/180 - Add the two like fractions:
315/180 + 28/180 = 315 + 28/180 = 343/180 - So, 35/20 + 7/45 = 343/180
In mixed form: 1163/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+7/45 35/20+14/45 35/40+7/45 35/20+7/90 35/20+21/45 35/60+7/45 35/20+35/45 35/20+49/45