Add 30/70 and 36/56
30/70 + 36/56 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
36/56 = 36 × 5/56 × 5 = 180/280 - Add the two like fractions:
120/280 + 180/280 = 120 + 180/280 = 300/280 - 300/280 simplified gives 15/14
- So, 30/70 + 36/56 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+36/56 30/70+72/56 90/70+36/56