Add 72/28 and 40/63
1st number: 2 16/28, 2nd number: 40/63
72/28 + 40/63 is 202/63.
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,
72/28 = 72 × 9/28 × 9 = 648/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Add the two like fractions:
648/252 + 160/252 = 648 + 160/252 = 808/252 - 808/252 simplified gives 202/63
- So, 72/28 + 40/63 = 202/63
In mixed form: 313/63
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