Add 40/16 and 72/70
1st number: 2 8/16, 2nd number: 1 2/70
40/16 + 72/70 is 247/70.
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,
40/16 = 40 × 35/16 × 35 = 1400/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
72/70 = 72 × 8/70 × 8 = 576/560 - Add the two like fractions:
1400/560 + 576/560 = 1400 + 576/560 = 1976/560 - 1976/560 simplified gives 247/70
- So, 40/16 + 72/70 = 247/70
In mixed form: 337/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+72/70 40/32+72/70 40/48+72/70 40/80+72/70