Add 16/14 and 70/90
1st number: 1 2/14, 2nd number: 70/90
16/14 + 70/90 is 121/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
16/14 = 16 × 45/14 × 45 = 720/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Add the two like fractions:
720/630 + 490/630 = 720 + 490/630 = 1210/630 - 1210/630 simplified gives 121/63
- So, 16/14 + 70/90 = 121/63
In mixed form: 158/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/14+70/90 16/28+70/90 48/14+70/90 16/42+70/90 80/14+70/90 16/70+70/90 16/98+70/90