Add 75/45 and 1/20
1st number: 1 30/45, 2nd number: 1/20
75/45 + 1/20 is 103/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
75/45 = 75 × 4/45 × 4 = 300/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Add the two like fractions:
300/180 + 9/180 = 300 + 9/180 = 309/180 - 309/180 simplified gives 103/60
- So, 75/45 + 1/20 = 103/60
In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/45+2/20 75/90+1/20 75/45+1/40 75/45+3/20 75/45+1/60 75/45+5/20 75/45+7/20