Add 70/8 and 21/28
1st number: 8 6/8, 2nd number: 21/28
70/8 + 21/28 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
70/8 = 70 × 7/8 × 7 = 490/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
21/28 = 21 × 2/28 × 2 = 42/56 - Add the two like fractions:
490/56 + 42/56 = 490 + 42/56 = 532/56 - 532/56 simplified gives 19/2
- So, 70/8 + 21/28 = 19/2
In mixed form: 91/2
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