Add 81/30 and 70/48
1st number: 2 21/30, 2nd number: 1 22/48
81/30 + 70/48 is 499/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
81/30 = 81 × 8/30 × 8 = 648/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
70/48 = 70 × 5/48 × 5 = 350/240 - Add the two like fractions:
648/240 + 350/240 = 648 + 350/240 = 998/240 - 998/240 simplified gives 499/120
- So, 81/30 + 70/48 = 499/120
In mixed form: 419/120
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