Add 45/70 and 70/16
1st number: 45/70, 2nd number: 4 6/16
45/70 + 70/16 is 281/56.
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,
45/70 = 45 × 8/70 × 8 = 360/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
70/16 = 70 × 35/16 × 35 = 2450/560 - Add the two like fractions:
360/560 + 2450/560 = 360 + 2450/560 = 2810/560 - 2810/560 simplified gives 281/56
- So, 45/70 + 70/16 = 281/56
In mixed form: 51/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+70/16 45/70+70/32 45/70+70/48 45/70+70/80