Add 56/16 and 21/30
1st number: 3 8/16, 2nd number: 21/30
56/16 + 21/30 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
56/16 = 56 × 15/16 × 15 = 840/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Add the two like fractions:
840/240 + 168/240 = 840 + 168/240 = 1008/240 - 1008/240 simplified gives 21/5
- So, 56/16 + 21/30 = 21/5
In mixed form: 41/5
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