Add 70/45 and 63/84
1st number: 1 25/45, 2nd number: 63/84
70/45 + 63/84 is 83/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
70/45 = 70 × 28/45 × 28 = 1960/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
63/84 = 63 × 15/84 × 15 = 945/1260 - Add the two like fractions:
1960/1260 + 945/1260 = 1960 + 945/1260 = 2905/1260 - 2905/1260 simplified gives 83/36
- So, 70/45 + 63/84 = 83/36
In mixed form: 211/36
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