Add 15/56 and 75/60
1st number: 15/56, 2nd number: 1 15/60
15/56 + 75/60 is 85/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
15/56 = 15 × 15/56 × 15 = 225/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
75/60 = 75 × 14/60 × 14 = 1050/840 - Add the two like fractions:
225/840 + 1050/840 = 225 + 1050/840 = 1275/840 - 1275/840 simplified gives 85/56
- So, 15/56 + 75/60 = 85/56
In mixed form: 129/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+75/60 45/56+75/60 75/56+75/60