Add 84/4 and 45/35
1st number: 21 0/4, 2nd number: 1 10/35
84/4 + 45/35 is 156/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
84/4 = 84 × 35/4 × 35 = 2940/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
45/35 = 45 × 4/35 × 4 = 180/140 - Add the two like fractions:
2940/140 + 180/140 = 2940 + 180/140 = 3120/140 - 3120/140 simplified gives 156/7
- So, 84/4 + 45/35 = 156/7
In mixed form: 222/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+90/35 84/8+45/35 84/4+45/70 84/12+45/35 84/20+45/35 84/28+45/35