Add 7/90 and 63/35
1st number: 7/90, 2nd number: 1 28/35
7/90 + 63/35 is 169/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
63/35 = 63 × 18/35 × 18 = 1134/630 - Add the two like fractions:
49/630 + 1134/630 = 49 + 1134/630 = 1183/630 - 1183/630 simplified gives 169/90
- So, 7/90 + 63/35 = 169/90
In mixed form: 179/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+63/35 7/90+63/70 21/90+63/35 35/90+63/35 49/90+63/35