Add 81/30 and 20/16
1st number: 2 21/30, 2nd number: 1 4/16
81/30 + 20/16 is 79/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 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 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Add the two like fractions:
648/240 + 300/240 = 648 + 300/240 = 948/240 - 948/240 simplified gives 79/20
- So, 81/30 + 20/16 = 79/20
In mixed form: 319/20
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