Add 18/15 and 1/56
1st number: 1 3/15, 2nd number: 1/56
18/15 + 1/56 is 341/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
18/15 = 18 × 56/15 × 56 = 1008/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
1/56 = 1 × 15/56 × 15 = 15/840 - Add the two like fractions:
1008/840 + 15/840 = 1008 + 15/840 = 1023/840 - 1023/840 simplified gives 341/280
- So, 18/15 + 1/56 = 341/280
In mixed form: 161/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+1/56 18/15+2/56 18/30+1/56 54/15+1/56 18/15+3/56 18/45+1/56 90/15+1/56 18/15+5/56 18/75+1/56 18/15+7/56