Add 42/48 and 81/15
1st number: 42/48, 2nd number: 5 6/15
42/48 + 81/15 is 251/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
81/15 = 81 × 16/15 × 16 = 1296/240 - Add the two like fractions:
210/240 + 1296/240 = 210 + 1296/240 = 1506/240 - 1506/240 simplified gives 251/40
- So, 42/48 + 81/15 = 251/40
In mixed form: 611/40
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