Add 72/63 and 7/60
1st number: 1 9/63, 2nd number: 7/60
72/63 + 7/60 is 529/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
72/63 = 72 × 20/63 × 20 = 1440/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
7/60 = 7 × 21/60 × 21 = 147/1260 - Add the two like fractions:
1440/1260 + 147/1260 = 1440 + 147/1260 = 1587/1260 - 1587/1260 simplified gives 529/420
- So, 72/63 + 7/60 = 529/420
In mixed form: 1109/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63+14/60 72/63+21/60 72/63+35/60 72/63+49/60