Add 84/72 and 1/35
1st number: 1 12/72, 2nd number: 1/35
84/72 + 1/35 is 251/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
84/72 = 84 × 35/72 × 35 = 2940/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
1/35 = 1 × 72/35 × 72 = 72/2520 - Add the two like fractions:
2940/2520 + 72/2520 = 2940 + 72/2520 = 3012/2520 - 3012/2520 simplified gives 251/210
- So, 84/72 + 1/35 = 251/210
In mixed form: 141/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+2/35 84/72+1/70 84/72+3/35 84/72+5/35 84/72+7/35