Add 72/4 and 12/63
1st number: 18 0/4, 2nd number: 12/63
72/4 + 12/63 is 382/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
72/4 = 72 × 63/4 × 63 = 4536/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
12/63 = 12 × 4/63 × 4 = 48/252 - Add the two like fractions:
4536/252 + 48/252 = 4536 + 48/252 = 4584/252 - 4584/252 simplified gives 382/21
- So, 72/4 + 12/63 = 382/21
In mixed form: 184/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+24/63 72/8+12/63 72/4+36/63 72/12+12/63 72/4+60/63 72/20+12/63 72/4+84/63 72/28+12/63