Add 63/5 and 45/90
1st number: 12 3/5, 2nd number: 45/90
63/5 + 45/90 is 131/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
63/5 = 63 × 18/5 × 18 = 1134/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
45/90 = 45 × 1/90 × 1 = 45/90 - Add the two like fractions:
1134/90 + 45/90 = 1134 + 45/90 = 1179/90 - 1179/90 simplified gives 131/10
- So, 63/5 + 45/90 = 131/10
In mixed form: 131/10
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