Add 49/63 and 80/90
49/63 + 80/90 is 5/3.
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,
49/63 = 49 × 10/63 × 10 = 490/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
80/90 = 80 × 7/90 × 7 = 560/630 - Add the two like fractions:
490/630 + 560/630 = 490 + 560/630 = 1050/630 - 1050/630 simplified gives 5/3
- So, 49/63 + 80/90 = 5/3
In mixed form: 12/3
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Related: 98/63+80/90