Add 18/20 and 63/49
1st number: 18/20, 2nd number: 1 14/49
18/20 + 63/49 is 153/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
18/20 = 18 × 49/20 × 49 = 882/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
63/49 = 63 × 20/49 × 20 = 1260/980 - Add the two like fractions:
882/980 + 1260/980 = 882 + 1260/980 = 2142/980 - 2142/980 simplified gives 153/70
- So, 18/20 + 63/49 = 153/70
In mixed form: 213/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+63/49 18/40+63/49 18/20+63/98 54/20+63/49 18/60+63/49 90/20+63/49