Add 16/12 and 72/63
1st number: 1 4/12, 2nd number: 1 9/63
16/12 + 72/63 is 52/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
16/12 = 16 × 21/12 × 21 = 336/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
336/252 + 288/252 = 336 + 288/252 = 624/252 - 624/252 simplified gives 52/21
- So, 16/12 + 72/63 = 52/21
In mixed form: 210/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+72/63 16/24+72/63 48/12+72/63 16/36+72/63 80/12+72/63 16/60+72/63 16/84+72/63