Add 42/90 and 30/48
42/90 + 30/48 is 131/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
30/48 = 30 × 15/48 × 15 = 450/720 - Add the two like fractions:
336/720 + 450/720 = 336 + 450/720 = 786/720 - 786/720 simplified gives 131/120
- So, 42/90 + 30/48 = 131/120
In mixed form: 111/120
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