Add 42/90 and 1/48
42/90 + 1/48 is 39/80.
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,
1/48 = 1 × 15/48 × 15 = 15/720 - Add the two like fractions:
336/720 + 15/720 = 336 + 15/720 = 351/720 - 351/720 simplified gives 39/80
- So, 42/90 + 1/48 = 39/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+1/48 42/90+2/48 42/90+1/96 42/90+3/48 42/90+5/48 42/90+7/48