Add 16/45 and 45/21
1st number: 16/45, 2nd number: 2 3/21
16/45 + 45/21 is 787/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
16/45 = 16 × 7/45 × 7 = 112/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
45/21 = 45 × 15/21 × 15 = 675/315 - Add the two like fractions:
112/315 + 675/315 = 112 + 675/315 = 787/315 - So, 16/45 + 45/21 = 787/315
In mixed form: 2157/315
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