Add 70/16 and 12/45
1st number: 4 6/16, 2nd number: 12/45
70/16 + 12/45 is 557/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
70/16 = 70 × 45/16 × 45 = 3150/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Add the two like fractions:
3150/720 + 192/720 = 3150 + 192/720 = 3342/720 - 3342/720 simplified gives 557/120
- So, 70/16 + 12/45 = 557/120
In mixed form: 477/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+24/45 70/32+12/45 70/16+12/90 70/16+36/45 70/48+12/45 70/16+60/45 70/80+12/45 70/16+84/45