Add 3/45 and 36/70
3/45 + 36/70 is 61/105.
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,
36/70 = 36 × 9/70 × 9 = 324/630 - Add the two like fractions:
42/630 + 324/630 = 42 + 324/630 = 366/630 - 366/630 simplified gives 61/105
- So, 3/45 + 36/70 = 61/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+36/70 3/45+72/70 3/90+36/70 9/45+36/70 15/45+36/70 21/45+36/70