Add 90/14 and 21/90
1st number: 6 6/14, 2nd number: 21/90
90/14 + 21/90 is 1399/210.
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,
90/14 = 90 × 45/14 × 45 = 4050/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
21/90 = 21 × 7/90 × 7 = 147/630 - Add the two like fractions:
4050/630 + 147/630 = 4050 + 147/630 = 4197/630 - 4197/630 simplified gives 1399/210
- So, 90/14 + 21/90 = 1399/210
In mixed form: 6139/210
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