Add 40/20 and 45/63
1st number: 2 0/20, 2nd number: 45/63
40/20 + 45/63 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
40/20 = 40 × 63/20 × 63 = 2520/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
45/63 = 45 × 20/63 × 20 = 900/1260 - Add the two like fractions:
2520/1260 + 900/1260 = 2520 + 900/1260 = 3420/1260 - 3420/1260 simplified gives 19/7
- So, 40/20 + 45/63 = 19/7
In mixed form: 25/7
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