Add 28/16 and 30/70
1st number: 1 12/16, 2nd number: 30/70
28/16 + 30/70 is 61/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
28/16 = 28 × 35/16 × 35 = 980/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
30/70 = 30 × 8/70 × 8 = 240/560 - Add the two like fractions:
980/560 + 240/560 = 980 + 240/560 = 1220/560 - 1220/560 simplified gives 61/28
- So, 28/16 + 30/70 = 61/28
In mixed form: 25/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16+30/70 28/16+60/70 28/32+30/70 84/16+30/70 28/16+90/70 28/48+30/70 28/80+30/70