Add 56/84 and 70/45
1st number: 56/84, 2nd number: 1 25/45
56/84 + 70/45 is 20/9.
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,
56/84 = 56 × 15/84 × 15 = 840/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
70/45 = 70 × 28/45 × 28 = 1960/1260 - Add the two like fractions:
840/1260 + 1960/1260 = 840 + 1960/1260 = 2800/1260 - 2800/1260 simplified gives 20/9
- So, 56/84 + 70/45 = 20/9
In mixed form: 22/9
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Related: 56/84+70/90