Add 72/70 and 16/12
1st number: 1 2/70, 2nd number: 1 4/12
72/70 + 16/12 is 248/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
72/70 = 72 × 6/70 × 6 = 432/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
16/12 = 16 × 35/12 × 35 = 560/420 - Add the two like fractions:
432/420 + 560/420 = 432 + 560/420 = 992/420 - 992/420 simplified gives 248/105
- So, 72/70 + 16/12 = 248/105
In mixed form: 238/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+32/12 72/70+16/24 72/70+48/12 72/70+16/36 72/70+80/12 72/70+16/60 72/70+16/84