Add 10/84 and 45/7
1st number: 10/84, 2nd number: 6 3/7
10/84 + 45/7 is 275/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
45/7 = 45 × 12/7 × 12 = 540/84 - Add the two like fractions:
10/84 + 540/84 = 10 + 540/84 = 550/84 - 550/84 simplified gives 275/42
- So, 10/84 + 45/7 = 275/42
In mixed form: 623/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+45/7 10/84+90/7 10/84+45/14 30/84+45/7 10/84+45/21 50/84+45/7 10/84+45/35 70/84+45/7 10/84+45/49