Add 72/63 and 30/5
1st number: 1 9/63, 2nd number: 6 0/5
72/63 + 30/5 is 50/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
30/5 = 30 × 63/5 × 63 = 1890/315 - Add the two like fractions:
360/315 + 1890/315 = 360 + 1890/315 = 2250/315 - 2250/315 simplified gives 50/7
- So, 72/63 + 30/5 = 50/7
In mixed form: 71/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63+60/5 72/63+30/10 72/63+90/5 72/63+30/15 72/63+30/25 72/63+30/35