Add 8/45 and 16/42
8/45 + 16/42 is 176/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 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 42 × 15 = 630,
16/42 = 16 × 15/42 × 15 = 240/630 - Add the two like fractions:
112/630 + 240/630 = 112 + 240/630 = 352/630 - 352/630 simplified gives 176/315
- So, 8/45 + 16/42 = 176/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+16/42 8/45+32/42 8/90+16/42 8/45+16/84 24/45+16/42 8/45+48/42 40/45+16/42 8/45+80/42 56/45+16/42