Add 70/56 and 20/5
1st number: 1 14/56, 2nd number: 4 0/5
70/56 + 20/5 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
20/5 = 20 × 56/5 × 56 = 1120/280 - Add the two like fractions:
350/280 + 1120/280 = 350 + 1120/280 = 1470/280 - 1470/280 simplified gives 21/4
- So, 70/56 + 20/5 = 21/4
In mixed form: 51/4
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