Add 42/35 and 21/56
1st number: 1 7/35, 2nd number: 21/56
42/35 + 21/56 is 63/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
42/35 = 42 × 8/35 × 8 = 336/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Add the two like fractions:
336/280 + 105/280 = 336 + 105/280 = 441/280 - 441/280 simplified gives 63/40
- So, 42/35 + 21/56 = 63/40
In mixed form: 123/40
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