Add 70/84 and 49/45
1st number: 70/84, 2nd number: 1 4/45
70/84 + 49/45 is 173/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
70/84 = 70 × 15/84 × 15 = 1050/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
49/45 = 49 × 28/45 × 28 = 1372/1260 - Add the two like fractions:
1050/1260 + 1372/1260 = 1050 + 1372/1260 = 2422/1260 - 2422/1260 simplified gives 173/90
- So, 70/84 + 49/45 = 173/90
In mixed form: 183/90
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