Add 30/28 and 72/63
1st number: 1 2/28, 2nd number: 1 9/63
30/28 + 72/63 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
270/252 + 288/252 = 270 + 288/252 = 558/252 - 558/252 simplified gives 31/14
- So, 30/28 + 72/63 = 31/14
In mixed form: 23/14
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