Add 7/56 and 20/15
1st number: 7/56, 2nd number: 1 5/15
7/56 + 20/15 is 35/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
20/15 = 20 × 56/15 × 56 = 1120/840 - Add the two like fractions:
105/840 + 1120/840 = 105 + 1120/840 = 1225/840 - 1225/840 simplified gives 35/24
- So, 7/56 + 20/15 = 35/24
In mixed form: 111/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+20/15 7/56+40/15 7/56+20/30 21/56+20/15 7/56+60/15 7/56+20/45 35/56+20/15 7/56+20/75 49/56+20/15