Add 63/10 and 90/72
1st number: 6 3/10, 2nd number: 1 18/72
63/10 + 90/72 is 151/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
63/10 = 63 × 36/10 × 36 = 2268/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Add the two like fractions:
2268/360 + 450/360 = 2268 + 450/360 = 2718/360 - 2718/360 simplified gives 151/20
- So, 63/10 + 90/72 = 151/20
In mixed form: 711/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20+90/72 63/30+90/72 63/50+90/72 63/70+90/72