Add 2/70 and 12/45
2/70 + 12/45 is 31/105.
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,
2/70 = 2 × 9/70 × 9 = 18/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
12/45 = 12 × 14/45 × 14 = 168/630 - Add the two like fractions:
18/630 + 168/630 = 18 + 168/630 = 186/630 - 186/630 simplified gives 31/105
- So, 2/70 + 12/45 = 31/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+12/45 2/70+24/45 2/70+12/90 6/70+12/45 2/70+36/45 10/70+12/45 2/70+60/45 14/70+12/45 2/70+84/45