Add 40/20 and 5/35
1st number: 2 0/20, 2nd number: 5/35
40/20 + 5/35 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
5/35 = 5 × 4/35 × 4 = 20/140 - Add the two like fractions:
280/140 + 20/140 = 280 + 20/140 = 300/140 - 300/140 simplified gives 15/7
- So, 40/20 + 5/35 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+5/35 40/20+10/35 40/20+5/70 40/20+15/35 40/60+5/35 40/20+25/35