Add 40/7 and 36/40
1st number: 5 5/7, 2nd number: 36/40
40/7 + 36/40 is 463/70.
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,
40/7 = 40 × 40/7 × 40 = 1600/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Add the two like fractions:
1600/280 + 252/280 = 1600 + 252/280 = 1852/280 - 1852/280 simplified gives 463/70
- So, 40/7 + 36/40 = 463/70
In mixed form: 643/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+36/40 40/7+72/40 40/14+36/40 40/7+36/80 40/21+36/40 40/35+36/40 40/49+36/40