Add 72/60 and 28/63
1st number: 1 12/60, 2nd number: 28/63
72/60 + 28/63 is 74/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
72/60 = 72 × 21/60 × 21 = 1512/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
28/63 = 28 × 20/63 × 20 = 560/1260 - Add the two like fractions:
1512/1260 + 560/1260 = 1512 + 560/1260 = 2072/1260 - 2072/1260 simplified gives 74/45
- So, 72/60 + 28/63 = 74/45
In mixed form: 129/45
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