Add 36/90 and 12/63
36/90 + 12/63 is 62/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
36/90 = 36 × 7/90 × 7 = 252/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
12/63 = 12 × 10/63 × 10 = 120/630 - Add the two like fractions:
252/630 + 120/630 = 252 + 120/630 = 372/630 - 372/630 simplified gives 62/105
- So, 36/90 + 12/63 = 62/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+12/63 36/90+24/63 36/90+36/63 36/90+60/63 36/90+84/63