Add 81/60 and 25/30
1st number: 1 21/60, 2nd number: 25/30
81/60 + 25/30 is 131/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
25/30 = 25 × 2/30 × 2 = 50/60 - Add the two like fractions:
81/60 + 50/60 = 81 + 50/60 = 131/60 - So, 81/60 + 25/30 = 131/60
In mixed form: 211/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/60+50/30 81/60+25/60 81/60+75/30 81/60+25/90