Add 63/98 and 18/20
63/98 + 18/20 is 54/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
63/98 = 63 × 10/98 × 10 = 630/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
18/20 = 18 × 49/20 × 49 = 882/980 - Add the two like fractions:
630/980 + 882/980 = 630 + 882/980 = 1512/980 - 1512/980 simplified gives 54/35
- So, 63/98 + 18/20 = 54/35
In mixed form: 119/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/98+36/20 63/98+18/40 63/98+54/20 63/98+18/60 63/98+90/20