Add 35/21 and 2/40
1st number: 1 14/21, 2nd number: 2/40
35/21 + 2/40 is 103/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 21 × 40 = 840,
35/21 = 35 × 40/21 × 40 = 1400/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
2/40 = 2 × 21/40 × 21 = 42/840 - Add the two like fractions:
1400/840 + 42/840 = 1400 + 42/840 = 1442/840 - 1442/840 simplified gives 103/60
- So, 35/21 + 2/40 = 103/60
In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+2/40 35/21+4/40 35/42+2/40 35/21+2/80 35/21+6/40 35/63+2/40 35/21+10/40 35/21+14/40