Add 90/63 and 70/90
1st number: 1 27/63, 2nd number: 70/90
90/63 + 70/90 is 139/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Add the two like fractions:
900/630 + 490/630 = 900 + 490/630 = 1390/630 - 1390/630 simplified gives 139/63
- So, 90/63 + 70/90 = 139/63
In mixed form: 213/63
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