Add 6/20 and 63/90
6/20 + 63/90 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
6/20 = 6 × 9/20 × 9 = 54/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
63/90 = 63 × 2/90 × 2 = 126/180 - Add the two like fractions:
54/180 + 126/180 = 54 + 126/180 = 180/180 - 180/180 simplified gives 1/1
- So, 6/20 + 63/90 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+63/90 6/40+63/90 18/20+63/90 6/60+63/90 30/20+63/90 42/20+63/90