Add 84/35 and 56/90
1st number: 2 14/35, 2nd number: 56/90
84/35 + 56/90 is 136/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
84/35 = 84 × 18/35 × 18 = 1512/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
56/90 = 56 × 7/90 × 7 = 392/630 - Add the two like fractions:
1512/630 + 392/630 = 1512 + 392/630 = 1904/630 - 1904/630 simplified gives 136/45
- So, 84/35 + 56/90 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+56/90