Add 72/18 and 3/63
1st number: 4 0/18, 2nd number: 3/63
72/18 + 3/63 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
3/63 = 3 × 2/63 × 2 = 6/126 - Add the two like fractions:
504/126 + 6/126 = 504 + 6/126 = 510/126 - 510/126 simplified gives 85/21
- So, 72/18 + 3/63 = 85/21
In mixed form: 41/21
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