Add 63/4 and 30/72
1st number: 15 3/4, 2nd number: 30/72
63/4 + 30/72 is 97/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
63/4 = 63 × 18/4 × 18 = 1134/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Add the two like fractions:
1134/72 + 30/72 = 1134 + 30/72 = 1164/72 - 1164/72 simplified gives 97/6
- So, 63/4 + 30/72 = 97/6
In mixed form: 161/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+60/72 63/8+30/72 63/4+90/72 63/12+30/72 63/20+30/72 63/28+30/72