Add 3/14 and 21/90
3/14 + 21/90 is 47/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
3/14 = 3 × 45/14 × 45 = 135/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
21/90 = 21 × 7/90 × 7 = 147/630 - Add the two like fractions:
135/630 + 147/630 = 135 + 147/630 = 282/630 - 282/630 simplified gives 47/105
- So, 3/14 + 21/90 = 47/105
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