Add 8/45 and 5/70
8/45 + 5/70 is 157/630.
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,
8/45 = 8 × 14/45 × 14 = 112/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630 - Add the two like fractions:
112/630 + 45/630 = 112 + 45/630 = 157/630 - So, 8/45 + 5/70 = 157/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+5/70 8/45+10/70 8/90+5/70 24/45+5/70 8/45+15/70 40/45+5/70 8/45+25/70 56/45+5/70 8/45+35/70