Add 3/60 and 81/8
1st number: 3/60, 2nd number: 10 1/8
3/60 + 81/8 is 407/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
3/60 = 3 × 2/60 × 2 = 6/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
81/8 = 81 × 15/8 × 15 = 1215/120 - Add the two like fractions:
6/120 + 1215/120 = 6 + 1215/120 = 1221/120 - 1221/120 simplified gives 407/40
- So, 3/60 + 81/8 = 407/40
In mixed form: 107/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60+81/8 3/60+81/16 9/60+81/8 3/60+81/24 15/60+81/8 3/60+81/40 21/60+81/8 3/60+81/56