Add 28/60 and 63/40
1st number: 28/60, 2nd number: 1 23/40
28/60 + 63/40 is 49/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
28/60 = 28 × 2/60 × 2 = 56/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Add the two like fractions:
56/120 + 189/120 = 56 + 189/120 = 245/120 - 245/120 simplified gives 49/24
- So, 28/60 + 63/40 = 49/24
In mixed form: 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60+63/40 28/60+63/80 84/60+63/40