Add 98/45 and 8/42, Solve 2 8/45 + 8/42 as a fraction

Add 98/45 and 8/42

1^st number: 2 8/45, 2^nd number: 8/42

98/45 + 8/42 is 746/315.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
98/45 = 98 × 14/45 × 14 = 1372/630
Likewise, for the 2nd fraction, since 42 × 15 = 630,
8/42 = 8 × 15/42 × 15 = 120/630
Add the two like fractions:
1372/630 + 120/630 = 1372 + 120/630 = 1492/630
1492/630 simplified gives 746/315
So, 98/45 + 8/42 = 746/315
In mixed form: 2116/315

MathStep (Works offline)

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