Add 75/20 and 24/35
1st number: 3 15/20, 2nd number: 24/35
75/20 + 24/35 is 621/140.
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,
75/20 = 75 × 7/20 × 7 = 525/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
24/35 = 24 × 4/35 × 4 = 96/140 - Add the two like fractions:
525/140 + 96/140 = 525 + 96/140 = 621/140 - So, 75/20 + 24/35 = 621/140
In mixed form: 461/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20+48/35 75/40+24/35 75/20+24/70 75/20+72/35 75/60+24/35