Add 70/45 and 12/48
1st number: 1 25/45, 2nd number: 12/48
70/45 + 12/48 is 65/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
70/45 = 70 × 16/45 × 16 = 1120/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
12/48 = 12 × 15/48 × 15 = 180/720 - Add the two like fractions:
1120/720 + 180/720 = 1120 + 180/720 = 1300/720 - 1300/720 simplified gives 65/36
- So, 70/45 + 12/48 = 65/36
In mixed form: 129/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45+24/48 70/90+12/48 70/45+12/96 70/45+36/48 70/45+60/48 70/45+84/48