Add 12/56 and 4/70
12/56 + 4/70 is 19/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
4/70 = 4 × 4/70 × 4 = 16/280 - Add the two like fractions:
60/280 + 16/280 = 60 + 16/280 = 76/280 - 76/280 simplified gives 19/70
- So, 12/56 + 4/70 = 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+4/70 12/56+8/70 36/56+4/70 12/56+12/70 60/56+4/70 12/56+20/70 84/56+4/70 12/56+28/70