Add 70/35 and 4/40
1st number: 2 0/35, 2nd number: 4/40
70/35 + 4/40 is 21/10.
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,
70/35 = 70 × 8/35 × 8 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Add the two like fractions:
560/280 + 28/280 = 560 + 28/280 = 588/280 - 588/280 simplified gives 21/10
- So, 70/35 + 4/40 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/35+8/40 70/35+4/80 70/35+12/40 70/35+20/40 70/35+28/40