Add 81/4 and 2/70
1st number: 20 1/4, 2nd number: 2/70
81/4 + 2/70 is 2839/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
81/4 = 81 × 35/4 × 35 = 2835/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
2/70 = 2 × 2/70 × 2 = 4/140 - Add the two like fractions:
2835/140 + 4/140 = 2835 + 4/140 = 2839/140 - So, 81/4 + 2/70 = 2839/140
In mixed form: 2039/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4+4/70 81/8+2/70 81/4+6/70 81/12+2/70 81/4+10/70 81/20+2/70 81/4+14/70 81/28+2/70