Add 72/7 and 70/16
1st number: 10 2/7, 2nd number: 4 6/16
72/7 + 70/16 is 821/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
72/7 = 72 × 16/7 × 16 = 1152/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
70/16 = 70 × 7/16 × 7 = 490/112 - Add the two like fractions:
1152/112 + 490/112 = 1152 + 490/112 = 1642/112 - 1642/112 simplified gives 821/56
- So, 72/7 + 70/16 = 821/56
In mixed form: 1437/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+70/16 72/7+70/32 72/21+70/16 72/7+70/48 72/35+70/16 72/7+70/80 72/49+70/16