Add 56/21 and 28/45
1st number: 2 14/21, 2nd number: 28/45
56/21 + 28/45 is 148/45.
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,
28/45 = 28 × 7/45 × 7 = 196/315 - Add the two like fractions:
840/315 + 196/315 = 840 + 196/315 = 1036/315 - 1036/315 simplified gives 148/45
- So, 56/21 + 28/45 = 148/45
In mixed form: 313/45
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