Add 15/56 and 18/60
15/56 + 18/60 is 159/280.
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,
18/60 = 18 × 14/60 × 14 = 252/840 - Add the two like fractions:
225/840 + 252/840 = 225 + 252/840 = 477/840 - 477/840 simplified gives 159/280
- So, 15/56 + 18/60 = 159/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+18/60 15/56+36/60 45/56+18/60 15/56+54/60 75/56+18/60 15/56+90/60