Add 32/70 and 3/45
32/70 + 3/45 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 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 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Add the two like fractions:
288/630 + 42/630 = 288 + 42/630 = 330/630 - 330/630 simplified gives 11/21
- So, 32/70 + 3/45 = 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70+3/45 32/70+6/45 32/70+3/90 96/70+3/45 32/70+9/45 32/70+15/45 32/70+21/45