Add 12/8 and 70/45
1st number: 1 4/8, 2nd number: 1 25/45
12/8 + 70/45 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
12/8 = 12 × 45/8 × 45 = 540/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
70/45 = 70 × 8/45 × 8 = 560/360 - Add the two like fractions:
540/360 + 560/360 = 540 + 560/360 = 1100/360 - 1100/360 simplified gives 55/18
- So, 12/8 + 70/45 = 55/18
In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+70/45 12/16+70/45 12/8+70/90 36/8+70/45 12/24+70/45 60/8+70/45 12/40+70/45 84/8+70/45 12/56+70/45