Add 3/35 and 70/90
3/35 + 70/90 is 272/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
3/35 = 3 × 18/35 × 18 = 54/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Add the two like fractions:
54/630 + 490/630 = 54 + 490/630 = 544/630 - 544/630 simplified gives 272/315
- So, 3/35 + 70/90 = 272/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/35+70/90 3/70+70/90 9/35+70/90 15/35+70/90 21/35+70/90