Add 80/35 and 3/40
1st number: 2 10/35, 2nd number: 3/40
80/35 + 3/40 is 661/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
80/35 = 80 × 8/35 × 8 = 640/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280 - Add the two like fractions:
640/280 + 21/280 = 640 + 21/280 = 661/280 - So, 80/35 + 3/40 = 661/280
In mixed form: 2101/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+6/40 80/70+3/40 80/35+3/80 80/35+9/40 80/35+15/40 80/35+21/40