Add 63/90 and 48/70
63/90 + 48/70 is 97/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
48/70 = 48 × 9/70 × 9 = 432/630 - Add the two like fractions:
441/630 + 432/630 = 441 + 432/630 = 873/630 - 873/630 simplified gives 97/70
- So, 63/90 + 48/70 = 97/70
In mixed form: 127/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+96/70