Add 81/4 and 70/6
1st number: 20 1/4, 2nd number: 11 4/6
81/4 + 70/6 is 383/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
81/4 = 81 × 3/4 × 3 = 243/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
70/6 = 70 × 2/6 × 2 = 140/12 - Add the two like fractions:
243/12 + 140/12 = 243 + 140/12 = 383/12 - So, 81/4 + 70/6 = 383/12
In mixed form: 3111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/8+70/6 81/4+70/12 81/12+70/6 81/4+70/18 81/20+70/6 81/4+70/30 81/28+70/6 81/4+70/42