Add 48/21 and 45/70
1st number: 2 6/21, 2nd number: 45/70
48/21 + 45/70 is 41/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
48/21 = 48 × 10/21 × 10 = 480/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
45/70 = 45 × 3/70 × 3 = 135/210 - Add the two like fractions:
480/210 + 135/210 = 480 + 135/210 = 615/210 - 615/210 simplified gives 41/14
- So, 48/21 + 45/70 = 41/14
In mixed form: 213/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+45/70 48/21+90/70 48/42+45/70 48/63+45/70