Add 98/56 and 70/20
1st number: 1 42/56, 2nd number: 3 10/20
98/56 + 70/20 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
70/20 = 70 × 14/20 × 14 = 980/280 - Add the two like fractions:
490/280 + 980/280 = 490 + 980/280 = 1470/280 - 1470/280 simplified gives 21/4
- So, 98/56 + 70/20 = 21/4
In mixed form: 51/4
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