Add 4/15 and 90/16
1st number: 4/15, 2nd number: 5 10/16
4/15 + 90/16 is 707/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
4/15 = 4 × 16/15 × 16 = 64/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
90/16 = 90 × 15/16 × 15 = 1350/240 - Add the two like fractions:
64/240 + 1350/240 = 64 + 1350/240 = 1414/240 - 1414/240 simplified gives 707/120
- So, 4/15 + 90/16 = 707/120
In mixed form: 5107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+90/16 4/30+90/16 4/15+90/32 12/15+90/16 4/45+90/16 4/15+90/48 20/15+90/16 4/75+90/16 4/15+90/80 28/15+90/16