Add 72/80 and 4/63
72/80 + 4/63 is 607/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
72/80 = 72 × 63/80 × 63 = 4536/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
4/63 = 4 × 80/63 × 80 = 320/5040 - Add the two like fractions:
4536/5040 + 320/5040 = 4536 + 320/5040 = 4856/5040 - 4856/5040 simplified gives 607/630
- So, 72/80 + 4/63 = 607/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80+8/63 72/80+12/63 72/80+20/63 72/80+28/63