Add 72/40 and 10/63
1st number: 1 32/40, 2nd number: 10/63
72/40 + 10/63 is 617/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
72/40 = 72 × 63/40 × 63 = 4536/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
10/63 = 10 × 40/63 × 40 = 400/2520 - Add the two like fractions:
4536/2520 + 400/2520 = 4536 + 400/2520 = 4936/2520 - 4936/2520 simplified gives 617/315
- So, 72/40 + 10/63 = 617/315
In mixed form: 1302/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+20/63 72/80+10/63 72/40+30/63 72/40+50/63 72/40+70/63