Add 32/30 and 42/72
1st number: 1 2/30, 2nd number: 42/72
32/30 + 42/72 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
32/30 = 32 × 12/30 × 12 = 384/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Add the two like fractions:
384/360 + 210/360 = 384 + 210/360 = 594/360 - 594/360 simplified gives 33/20
- So, 32/30 + 42/72 = 33/20
In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/30+42/72 32/30+84/72 32/60+42/72 96/30+42/72 32/90+42/72