Add 32/70 and 70/40
1st number: 32/70, 2nd number: 1 30/40
32/70 + 70/40 is 309/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
32/70 = 32 × 4/70 × 4 = 128/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Add the two like fractions:
128/280 + 490/280 = 128 + 490/280 = 618/280 - 618/280 simplified gives 309/140
- So, 32/70 + 70/40 = 309/140
In mixed form: 229/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70+70/40 32/70+70/80 96/70+70/40