Add 81/49 and 70/45
1st number: 1 32/49, 2nd number: 1 25/45
81/49 + 70/45 is 1415/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
81/49 = 81 × 45/49 × 45 = 3645/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
70/45 = 70 × 49/45 × 49 = 3430/2205 - Add the two like fractions:
3645/2205 + 3430/2205 = 3645 + 3430/2205 = 7075/2205 - 7075/2205 simplified gives 1415/441
- So, 81/49 + 70/45 = 1415/441
In mixed form: 392/441
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