Add 21/90 and 8/14
21/90 + 8/14 is 169/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
21/90 = 21 × 7/90 × 7 = 147/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
8/14 = 8 × 45/14 × 45 = 360/630 - Add the two like fractions:
147/630 + 360/630 = 147 + 360/630 = 507/630 - 507/630 simplified gives 169/210
- So, 21/90 + 8/14 = 169/210
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