Add 70/30 and 63/8
1st number: 2 10/30, 2nd number: 7 7/8
70/30 + 63/8 is 245/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
63/8 = 63 × 15/8 × 15 = 945/120 - Add the two like fractions:
280/120 + 945/120 = 280 + 945/120 = 1225/120 - 1225/120 simplified gives 245/24
- So, 70/30 + 63/8 = 245/24
In mixed form: 105/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+63/8 70/30+63/16 70/90+63/8 70/30+63/24 70/30+63/40 70/30+63/56