Add 18/4 and 40/63
1st number: 4 2/4, 2nd number: 40/63
18/4 + 40/63 is 647/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
18/4 = 18 × 63/4 × 63 = 1134/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Add the two like fractions:
1134/252 + 160/252 = 1134 + 160/252 = 1294/252 - 1294/252 simplified gives 647/126
- So, 18/4 + 40/63 = 647/126
In mixed form: 517/126
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