Add 32/70 and 12/45
32/70 + 12/45 is 76/105.
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,
12/45 = 12 × 14/45 × 14 = 168/630 - Add the two like fractions:
288/630 + 168/630 = 288 + 168/630 = 456/630 - 456/630 simplified gives 76/105
- So, 32/70 + 12/45 = 76/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70+12/45 32/70+24/45 32/70+12/90 96/70+12/45 32/70+36/45 32/70+60/45 32/70+84/45