Add 8/7 and 36/40
1st number: 1 1/7, 2nd number: 36/40
8/7 + 36/40 is 143/70.
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,
8/7 = 8 × 40/7 × 40 = 320/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Add the two like fractions:
320/280 + 252/280 = 320 + 252/280 = 572/280 - 572/280 simplified gives 143/70
- So, 8/7 + 36/40 = 143/70
In mixed form: 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+36/40 8/7+72/40 8/14+36/40 8/7+36/80 24/7+36/40 8/21+36/40 40/7+36/40 8/35+36/40 56/7+36/40 8/49+36/40