Add 36/70 and 30/56
36/70 + 30/56 is 21/20.
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,
36/70 = 36 × 4/70 × 4 = 144/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
30/56 = 30 × 5/56 × 5 = 150/280 - Add the two like fractions:
144/280 + 150/280 = 144 + 150/280 = 294/280 - 294/280 simplified gives 21/20
- So, 36/70 + 30/56 = 21/20
In mixed form: 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+30/56 36/70+60/56 36/70+90/56