Add 98/42 and 56/30
1st number: 2 14/42, 2nd number: 1 26/30
98/42 + 56/30 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
98/42 = 98 × 5/42 × 5 = 490/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
56/30 = 56 × 7/30 × 7 = 392/210 - Add the two like fractions:
490/210 + 392/210 = 490 + 392/210 = 882/210 - 882/210 simplified gives 21/5
- So, 98/42 + 56/30 = 21/5
In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84+56/30 98/42+56/60 98/42+56/90