Add 48/90 and 45/70
48/90 + 45/70 is 247/210.
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,
48/90 = 48 × 7/90 × 7 = 336/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Add the two like fractions:
336/630 + 405/630 = 336 + 405/630 = 741/630 - 741/630 simplified gives 247/210
- So, 48/90 + 45/70 = 247/210
In mixed form: 137/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+45/70 48/90+90/70