Add 70/40 and 45/56
1st number: 1 30/40, 2nd number: 45/56
70/40 + 45/56 is 143/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Add the two like fractions:
490/280 + 225/280 = 490 + 225/280 = 715/280 - 715/280 simplified gives 143/56
- So, 70/40 + 45/56 = 143/56
In mixed form: 231/56
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