Add 72/70 and 7/16
1st number: 1 2/70, 2nd number: 7/16
72/70 + 7/16 is 821/560.
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,
72/70 = 72 × 8/70 × 8 = 576/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
7/16 = 7 × 35/16 × 35 = 245/560 - Add the two like fractions:
576/560 + 245/560 = 576 + 245/560 = 821/560 - So, 72/70 + 7/16 = 821/560
In mixed form: 1261/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+14/16 72/70+7/32 72/70+21/16 72/70+7/48 72/70+35/16 72/70+7/80 72/70+49/16