Add 48/20 and 45/70
1st number: 2 8/20, 2nd number: 45/70
48/20 + 45/70 is 213/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
48/20 = 48 × 7/20 × 7 = 336/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Add the two like fractions:
336/140 + 90/140 = 336 + 90/140 = 426/140 - 426/140 simplified gives 213/70
- So, 48/20 + 45/70 = 213/70
In mixed form: 33/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20+45/70 48/20+90/70 48/40+45/70 48/60+45/70