Add 90/75 and 63/98
1st number: 1 15/75, 2nd number: 63/98
90/75 + 63/98 is 129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 98 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 75 × 98 = 7350,
90/75 = 90 × 98/75 × 98 = 8820/7350 - Likewise, for the 2nd fraction, since 98 × 75 = 7350,
63/98 = 63 × 75/98 × 75 = 4725/7350 - Add the two like fractions:
8820/7350 + 4725/7350 = 8820 + 4725/7350 = 13545/7350 - 13545/7350 simplified gives 129/70
- So, 90/75 + 63/98 = 129/70
In mixed form: 159/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: