Add 70/21 and 90/48
1st number: 3 7/21, 2nd number: 1 42/48
70/21 + 90/48 is 125/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
70/21 = 70 × 16/21 × 16 = 1120/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Add the two like fractions:
1120/336 + 630/336 = 1120 + 630/336 = 1750/336 - 1750/336 simplified gives 125/24
- So, 70/21 + 90/48 = 125/24
In mixed form: 55/24
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