Add 75/15 and 4/20
1st number: 5 0/15, 2nd number: 4/20
75/15 + 4/20 is 26/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
75/15 = 75 × 4/15 × 4 = 300/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Add the two like fractions:
300/60 + 12/60 = 300 + 12/60 = 312/60 - 312/60 simplified gives 26/5
- So, 75/15 + 4/20 = 26/5
In mixed form: 51/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15+8/20 75/30+4/20 75/15+4/40 75/15+12/20 75/45+4/20 75/15+4/60 75/15+28/20