Add 6/30 and 70/90
6/30 + 70/90 is 44/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
6/30 = 6 × 3/30 × 3 = 18/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
18/90 + 70/90 = 18 + 70/90 = 88/90 - 88/90 simplified gives 44/45
- So, 6/30 + 70/90 = 44/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30+70/90 6/60+70/90 18/30+70/90 6/90+70/90 42/30+70/90