Add 98/42 and 30/8
1st number: 2 14/42, 2nd number: 3 6/8
98/42 + 30/8 is 73/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
98/42 = 98 × 4/42 × 4 = 392/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
30/8 = 30 × 21/8 × 21 = 630/168 - Add the two like fractions:
392/168 + 630/168 = 392 + 630/168 = 1022/168 - 1022/168 simplified gives 73/12
- So, 98/42 + 30/8 = 73/12
In mixed form: 61/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+60/8 98/84+30/8 98/42+30/16 98/42+90/8 98/42+30/24 98/42+30/40 98/42+30/56