Add 45/7 and 16/40
1st number: 6 3/7, 2nd number: 16/40
45/7 + 16/40 is 239/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
45/7 = 45 × 40/7 × 40 = 1800/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
16/40 = 16 × 7/40 × 7 = 112/280 - Add the two like fractions:
1800/280 + 112/280 = 1800 + 112/280 = 1912/280 - 1912/280 simplified gives 239/35
- So, 45/7 + 16/40 = 239/35
In mixed form: 629/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+16/40 45/7+32/40 45/14+16/40 45/7+16/80 45/7+48/40 45/21+16/40 45/7+80/40 45/35+16/40 45/49+16/40