Add 45/7 and 18/8
1st number: 6 3/7, 2nd number: 2 2/8
45/7 + 18/8 is 243/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
45/7 = 45 × 8/7 × 8 = 360/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Add the two like fractions:
360/56 + 126/56 = 360 + 126/56 = 486/56 - 486/56 simplified gives 243/28
- So, 45/7 + 18/8 = 243/28
In mixed form: 819/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+18/8 45/7+36/8 45/14+18/8 45/7+18/16 45/7+54/8 45/21+18/8 45/7+18/24 45/7+90/8 45/35+18/8 45/7+18/40 45/49+18/8 45/7+18/56