Add 70/12 and 72/16
1st number: 5 10/12, 2nd number: 4 8/16
70/12 + 72/16 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
70/12 = 70 × 4/12 × 4 = 280/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
72/16 = 72 × 3/16 × 3 = 216/48 - Add the two like fractions:
280/48 + 216/48 = 280 + 216/48 = 496/48 - 496/48 simplified gives 31/3
- So, 70/12 + 72/16 = 31/3
In mixed form: 101/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+72/16 70/12+72/32 70/36+72/16 70/12+72/48 70/60+72/16 70/12+72/80 70/84+72/16