Add 8/30 and 70/45
1st number: 8/30, 2nd number: 1 25/45
8/30 + 70/45 is 82/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
8/30 = 8 × 3/30 × 3 = 24/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Add the two like fractions:
24/90 + 140/90 = 24 + 140/90 = 164/90 - 164/90 simplified gives 82/45
- So, 8/30 + 70/45 = 82/45
In mixed form: 137/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+70/45 8/60+70/45 8/30+70/90 24/30+70/45 8/90+70/45 40/30+70/45 56/30+70/45