Add 98/30 and 20/42
1st number: 3 8/30, 2nd number: 20/42
98/30 + 20/42 is 131/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
20/42 = 20 × 5/42 × 5 = 100/210 - Add the two like fractions:
686/210 + 100/210 = 686 + 100/210 = 786/210 - 786/210 simplified gives 131/35
- So, 98/30 + 20/42 = 131/35
In mixed form: 326/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30+40/42 98/60+20/42 98/30+20/84 98/30+60/42 98/90+20/42