Add 75/5 and 21/35
1st number: 15 0/5, 2nd number: 21/35
75/5 + 21/35 is 78/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
75/5 = 75 × 7/5 × 7 = 525/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
21/35 = 21 × 1/35 × 1 = 21/35 - Add the two like fractions:
525/35 + 21/35 = 525 + 21/35 = 546/35 - 546/35 simplified gives 78/5
- So, 75/5 + 21/35 = 78/5
In mixed form: 153/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5+42/35 75/10+21/35 75/5+21/70 75/5+63/35 75/15+21/35 75/25+21/35 75/35+21/35