Add 16/70 and 84/45
1st number: 16/70, 2nd number: 1 39/45
16/70 + 84/45 is 44/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
16/70 = 16 × 9/70 × 9 = 144/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
84/45 = 84 × 14/45 × 14 = 1176/630 - Add the two like fractions:
144/630 + 1176/630 = 144 + 1176/630 = 1320/630 - 1320/630 simplified gives 44/21
- So, 16/70 + 84/45 = 44/21
In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70+84/45 16/70+84/90 48/70+84/45 80/70+84/45