Add 72/30 and 4/16
1st number: 2 12/30, 2nd number: 4/16
72/30 + 4/16 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
4/16 = 4 × 15/16 × 15 = 60/240 - Add the two like fractions:
576/240 + 60/240 = 576 + 60/240 = 636/240 - 636/240 simplified gives 53/20
- So, 72/30 + 4/16 = 53/20
In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+8/16 72/60+4/16 72/30+4/32 72/30+12/16 72/90+4/16 72/30+4/48 72/30+20/16 72/30+4/80 72/30+28/16