Add 81/30 and 30/48
1st number: 2 21/30, 2nd number: 30/48
81/30 + 30/48 is 133/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
81/30 = 81 × 8/30 × 8 = 648/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
30/48 = 30 × 5/48 × 5 = 150/240 - Add the two like fractions:
648/240 + 150/240 = 648 + 150/240 = 798/240 - 798/240 simplified gives 133/40
- So, 81/30 + 30/48 = 133/40
In mixed form: 313/40
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