Add 35/20 and 72/8
1st number: 1 15/20, 2nd number: 9 0/8
35/20 + 72/8 is 43/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
35/20 = 35 × 2/20 × 2 = 70/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
72/8 = 72 × 5/8 × 5 = 360/40 - Add the two like fractions:
70/40 + 360/40 = 70 + 360/40 = 430/40 - 430/40 simplified gives 43/4
- So, 35/20 + 72/8 = 43/4
In mixed form: 103/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+72/8 35/40+72/8 35/20+72/16 35/60+72/8 35/20+72/24 35/20+72/40 35/20+72/56