Add 1/20 and 54/15
1st number: 1/20, 2nd number: 3 9/15
1/20 + 54/15 is 73/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Add the two like fractions:
3/60 + 216/60 = 3 + 216/60 = 219/60 - 219/60 simplified gives 73/20
- So, 1/20 + 54/15 = 73/20
In mixed form: 313/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+54/15 1/40+54/15 1/20+54/30 3/20+54/15 1/60+54/15 1/20+54/45 5/20+54/15 1/20+54/75 7/20+54/15