Add 70/30 and 4/16
1st number: 2 10/30, 2nd number: 4/16
70/30 + 4/16 is 31/12.
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,
70/30 = 70 × 8/30 × 8 = 560/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
4/16 = 4 × 15/16 × 15 = 60/240 - Add the two like fractions:
560/240 + 60/240 = 560 + 60/240 = 620/240 - 620/240 simplified gives 31/12
- So, 70/30 + 4/16 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+8/16 70/60+4/16 70/30+4/32 70/30+12/16 70/90+4/16 70/30+4/48 70/30+20/16 70/30+4/80 70/30+28/16