Add 2/30 and 70/45
1st number: 2/30, 2nd number: 1 25/45
2/30 + 70/45 is 73/45.
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,
2/30 = 2 × 3/30 × 3 = 6/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Add the two like fractions:
6/90 + 140/90 = 6 + 140/90 = 146/90 - 146/90 simplified gives 73/45
- So, 2/30 + 70/45 = 73/45
In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+70/45 2/60+70/45 2/30+70/90 6/30+70/45 2/90+70/45 10/30+70/45 14/30+70/45