Add 12/98 and 90/63, Solve 12/98 + 1 27/63 as a fraction

Add 12/98 and 90/63

1^st number: 12/98, 2^nd number: 1 27/63

12/98 + 90/63 is 76/49.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
12/98 = 12 × 9/98 × 9 = 108/882
Likewise, for the 2nd fraction, since 63 × 14 = 882,
90/63 = 90 × 14/63 × 14 = 1260/882
Add the two like fractions:
108/882 + 1260/882 = 108 + 1260/882 = 1368/882
1368/882 simplified gives 76/49
So, 12/98 + 90/63 = 76/49
In mixed form: 127/49

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad