Add 16/14 and 70/40
1st number: 1 2/14, 2nd number: 1 30/40
16/14 + 70/40 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
16/14 = 16 × 20/14 × 20 = 320/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Add the two like fractions:
320/280 + 490/280 = 320 + 490/280 = 810/280 - 810/280 simplified gives 81/28
- So, 16/14 + 70/40 = 81/28
In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/14+70/40 16/28+70/40 16/14+70/80 48/14+70/40 16/42+70/40 80/14+70/40 16/70+70/40 16/98+70/40