Add 30/70 and 70/16
1st number: 30/70, 2nd number: 4 6/16
30/70 + 70/16 is 269/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
30/70 = 30 × 8/70 × 8 = 240/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
70/16 = 70 × 35/16 × 35 = 2450/560 - Add the two like fractions:
240/560 + 2450/560 = 240 + 2450/560 = 2690/560 - 2690/560 simplified gives 269/56
- So, 30/70 + 70/16 = 269/56
In mixed form: 445/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+70/16 30/70+70/32 90/70+70/16 30/70+70/48 30/70+70/80