Add 98/63 and 30/20
1st number: 1 35/63, 2nd number: 1 10/20
98/63 + 30/20 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
98/63 = 98 × 20/63 × 20 = 1960/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
30/20 = 30 × 63/20 × 63 = 1890/1260 - Add the two like fractions:
1960/1260 + 1890/1260 = 1960 + 1890/1260 = 3850/1260 - 3850/1260 simplified gives 55/18
- So, 98/63 + 30/20 = 55/18
In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63+60/20 98/63+30/40 98/63+90/20 98/63+30/60