Add 9/8 and 72/60
1st number: 1 1/8, 2nd number: 1 12/60
9/8 + 72/60 is 93/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
9/8 = 9 × 15/8 × 15 = 135/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
72/60 = 72 × 2/60 × 2 = 144/120 - Add the two like fractions:
135/120 + 144/120 = 135 + 144/120 = 279/120 - 279/120 simplified gives 93/40
- So, 9/8 + 72/60 = 93/40
In mixed form: 213/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8+72/60 9/16+72/60 27/8+72/60 9/24+72/60 45/8+72/60 9/40+72/60 63/8+72/60 9/56+72/60