Add 35/84 and 64/40
1st number: 35/84, 2nd number: 1 24/40
35/84 + 64/40 is 121/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
35/84 = 35 × 10/84 × 10 = 350/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
64/40 = 64 × 21/40 × 21 = 1344/840 - Add the two like fractions:
350/840 + 1344/840 = 350 + 1344/840 = 1694/840 - 1694/840 simplified gives 121/60
- So, 35/84 + 64/40 = 121/60
In mixed form: 21/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+64/40 35/84+64/80