Add 36/18 and 98/70, Solve 2 0/18 + 1 28/70 as a fraction

Add 36/18 and 98/70

1^st number: 2 0/18, 2^nd number: 1 28/70

36/18 + 98/70 is 17/5.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
36/18 = 36 × 35/18 × 35 = 1260/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630
Add the two like fractions:
1260/630 + 882/630 = 1260 + 882/630 = 2142/630
2142/630 simplified gives 17/5
So, 36/18 + 98/70 = 17/5
In mixed form: 32/5

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad