Add 42/72 and 96/40
1st number: 42/72, 2nd number: 2 16/40
42/72 + 96/40 is 179/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 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 40 × 9 = 360,
96/40 = 96 × 9/40 × 9 = 864/360 - Add the two like fractions:
210/360 + 864/360 = 210 + 864/360 = 1074/360 - 1074/360 simplified gives 179/60
- So, 42/72 + 96/40 = 179/60
In mixed form: 259/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+96/40 42/72+96/80