Add 12/56 and 35/15
1st number: 12/56, 2nd number: 2 5/15
12/56 + 35/15 is 107/42.
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,
12/56 = 12 × 15/56 × 15 = 180/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
35/15 = 35 × 56/15 × 56 = 1960/840 - Add the two like fractions:
180/840 + 1960/840 = 180 + 1960/840 = 2140/840 - 2140/840 simplified gives 107/42
- So, 12/56 + 35/15 = 107/42
In mixed form: 223/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+35/15 12/56+70/15 12/56+35/30 36/56+35/15 12/56+35/45 60/56+35/15 12/56+35/75 84/56+35/15