Add 35/40 and 30/7
1st number: 35/40, 2nd number: 4 2/7
35/40 + 30/7 is 289/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
35/40 = 35 × 7/40 × 7 = 245/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
30/7 = 30 × 40/7 × 40 = 1200/280 - Add the two like fractions:
245/280 + 1200/280 = 245 + 1200/280 = 1445/280 - 1445/280 simplified gives 289/56
- So, 35/40 + 30/7 = 289/56
In mixed form: 59/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+30/7 35/40+60/7 35/80+30/7 35/40+30/14 35/40+90/7 35/40+30/21 35/40+30/35 35/40+30/49