Add 4/30 and 72/16
1st number: 4/30, 2nd number: 4 8/16
4/30 + 72/16 is 139/30.
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,
4/30 = 4 × 8/30 × 8 = 32/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
72/16 = 72 × 15/16 × 15 = 1080/240 - Add the two like fractions:
32/240 + 1080/240 = 32 + 1080/240 = 1112/240 - 1112/240 simplified gives 139/30
- So, 4/30 + 72/16 = 139/30
In mixed form: 419/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+72/16 4/60+72/16 4/30+72/32 12/30+72/16 4/90+72/16 4/30+72/48 20/30+72/16 4/30+72/80 28/30+72/16