Add 48/40 and 70/30
1st number: 1 8/40, 2nd number: 2 10/30
48/40 + 70/30 is 53/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
48/40 = 48 × 3/40 × 3 = 144/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Add the two like fractions:
144/120 + 280/120 = 144 + 280/120 = 424/120 - 424/120 simplified gives 53/15
- So, 48/40 + 70/30 = 53/15
In mixed form: 38/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/40+70/30 48/80+70/30 48/40+70/60 48/40+70/90