Add 70/56 and 27/15
1st number: 1 14/56, 2nd number: 1 12/15
70/56 + 27/15 is 61/20.
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,
70/56 = 70 × 15/56 × 15 = 1050/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
27/15 = 27 × 56/15 × 56 = 1512/840 - Add the two like fractions:
1050/840 + 1512/840 = 1050 + 1512/840 = 2562/840 - 2562/840 simplified gives 61/20
- So, 70/56 + 27/15 = 61/20
In mixed form: 31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+54/15 70/56+27/30 70/56+81/15 70/56+27/45 70/56+27/75