Add 3/45 and 10/70
3/45 + 10/70 is 22/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
10/70 = 10 × 9/70 × 9 = 90/630 - Add the two like fractions:
42/630 + 90/630 = 42 + 90/630 = 132/630 - 132/630 simplified gives 22/105
- So, 3/45 + 10/70 = 22/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+10/70 3/45+20/70 3/90+10/70 9/45+10/70 3/45+30/70 15/45+10/70 3/45+50/70 21/45+10/70