Add 72/28 and 49/10
1st number: 2 16/28, 2nd number: 4 9/10
72/28 + 49/10 is 523/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
49/10 = 49 × 14/10 × 14 = 686/140 - Add the two like fractions:
360/140 + 686/140 = 360 + 686/140 = 1046/140 - 1046/140 simplified gives 523/70
- So, 72/28 + 49/10 = 523/70
In mixed form: 733/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+98/10 72/56+49/10 72/28+49/20 72/84+49/10 72/28+49/30 72/28+49/50 72/28+49/70