Add 18/60 and 63/56
1st number: 18/60, 2nd number: 1 7/56
18/60 + 63/56 is 57/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
18/60 = 18 × 14/60 × 14 = 252/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
63/56 = 63 × 15/56 × 15 = 945/840 - Add the two like fractions:
252/840 + 945/840 = 252 + 945/840 = 1197/840 - 1197/840 simplified gives 57/40
- So, 18/60 + 63/56 = 57/40
In mixed form: 117/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+63/56 54/60+63/56 90/60+63/56