Add 56/49 and 28/40
1st number: 1 7/49, 2nd number: 28/40
56/49 + 28/40 is 129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
56/49 = 56 × 40/49 × 40 = 2240/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
28/40 = 28 × 49/40 × 49 = 1372/1960 - Add the two like fractions:
2240/1960 + 1372/1960 = 2240 + 1372/1960 = 3612/1960 - 3612/1960 simplified gives 129/70
- So, 56/49 + 28/40 = 129/70
In mixed form: 159/70
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