Add 28/32 and 81/60
1st number: 28/32, 2nd number: 1 21/60
28/32 + 81/60 is 89/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 60 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
28/32 = 28 × 15/32 × 15 = 420/480 - Likewise, for the 2nd fraction, since 60 × 8 = 480,
81/60 = 81 × 8/60 × 8 = 648/480 - Add the two like fractions:
420/480 + 648/480 = 420 + 648/480 = 1068/480 - 1068/480 simplified gives 89/40
- So, 28/32 + 81/60 = 89/40
In mixed form: 29/40
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