Add 84/60 and 42/35
1st number: 1 24/60, 2nd number: 1 7/35
84/60 + 42/35 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
42/35 = 42 × 12/35 × 12 = 504/420 - Add the two like fractions:
588/420 + 504/420 = 588 + 504/420 = 1092/420 - 1092/420 simplified gives 13/5
- So, 84/60 + 42/35 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+84/35 84/60+42/70