Add 56/63 and 12/90
56/63 + 12/90 is 46/45.
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,
56/63 = 56 × 10/63 × 10 = 560/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Add the two like fractions:
560/630 + 84/630 = 560 + 84/630 = 644/630 - 644/630 simplified gives 46/45
- So, 56/63 + 12/90 = 46/45
In mixed form: 11/45
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