Add 21/72 and 70/54
1st number: 21/72, 2nd number: 1 16/54
21/72 + 70/54 is 343/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
70/54 = 70 × 4/54 × 4 = 280/216 - Add the two like fractions:
63/216 + 280/216 = 63 + 280/216 = 343/216 - So, 21/72 + 70/54 = 343/216
In mixed form: 1127/216
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