Add 30/63 and 90/98
30/63 + 90/98 is 205/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 63 × 14 = 882,
30/63 = 30 × 14/63 × 14 = 420/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
90/98 = 90 × 9/98 × 9 = 810/882 - Add the two like fractions:
420/882 + 810/882 = 420 + 810/882 = 1230/882 - 1230/882 simplified gives 205/147
- So, 30/63 + 90/98 = 205/147
In mixed form: 158/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+90/98 90/63+90/98