Add 8/30 and 10/42
8/30 + 10/42 is 53/105.
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,
8/30 = 8 × 7/30 × 7 = 56/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210 - Add the two like fractions:
56/210 + 50/210 = 56 + 50/210 = 106/210 - 106/210 simplified gives 53/105
- So, 8/30 + 10/42 = 53/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+10/42 8/30+20/42 8/60+10/42 8/30+10/84 24/30+10/42 8/30+30/42 8/90+10/42 40/30+10/42 8/30+50/42 56/30+10/42 8/30+70/42