Add 56/21 and 4/45
1st number: 2 14/21, 2nd number: 4/45
56/21 + 4/45 is 124/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
56/21 = 56 × 15/21 × 15 = 840/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
4/45 = 4 × 7/45 × 7 = 28/315 - Add the two like fractions:
840/315 + 28/315 = 840 + 28/315 = 868/315 - 868/315 simplified gives 124/45
- So, 56/21 + 4/45 = 124/45
In mixed form: 234/45
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