Add 42/48 and 25/45
42/48 + 25/45 is 103/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
42/48 = 42 × 15/48 × 15 = 630/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
25/45 = 25 × 16/45 × 16 = 400/720 - Add the two like fractions:
630/720 + 400/720 = 630 + 400/720 = 1030/720 - 1030/720 simplified gives 103/72
- So, 42/48 + 25/45 = 103/72
In mixed form: 131/72
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