Add 42/72 and 35/10
1st number: 42/72, 2nd number: 3 5/10
42/72 + 35/10 is 49/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
35/10 = 35 × 36/10 × 36 = 1260/360 - Add the two like fractions:
210/360 + 1260/360 = 210 + 1260/360 = 1470/360 - 1470/360 simplified gives 49/12
- So, 42/72 + 35/10 = 49/12
In mixed form: 41/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+35/10 42/72+70/10 42/72+35/20 42/72+35/30 42/72+35/50 42/72+35/70