Add 3/80 and 40/35
1st number: 3/80, 2nd number: 1 5/35
3/80 + 40/35 is 661/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
40/35 = 40 × 16/35 × 16 = 640/560 - Add the two like fractions:
21/560 + 640/560 = 21 + 640/560 = 661/560 - So, 3/80 + 40/35 = 661/560
In mixed form: 1101/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+40/35 3/80+80/35 3/80+40/70 9/80+40/35 15/80+40/35 21/80+40/35