Add 32/70 and 9/90
32/70 + 9/90 is 39/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
32/70 = 32 × 9/70 × 9 = 288/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Add the two like fractions:
288/630 + 63/630 = 288 + 63/630 = 351/630 - 351/630 simplified gives 39/70
- So, 32/70 + 9/90 = 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70+9/90 32/70+18/90 96/70+9/90 32/70+27/90 32/70+45/90 32/70+63/90