Add 16/45 and 20/56
16/45 + 20/56 is 449/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
16/45 = 16 × 56/45 × 56 = 896/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
20/56 = 20 × 45/56 × 45 = 900/2520 - Add the two like fractions:
896/2520 + 900/2520 = 896 + 900/2520 = 1796/2520 - 1796/2520 simplified gives 449/630
- So, 16/45 + 20/56 = 449/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45+20/56 16/45+40/56 16/90+20/56 48/45+20/56 16/45+60/56 80/45+20/56